As has been my birthday tradition for years now, here are 54 bits of trivia and loosely relevant knowledge about the number "54" (or in some cases, the numbers 5 and 4), mostly from the first few pages of web search and Wikipedia search results, posted in one continuous frenzy after work to respond to the first 54 public birthday posts to my Facebook profile (everyone else justs gets a like).

By Studio 49 - This vector image was created by converting the Encapsulated PostScript file available at Brands of the World (view • download)
Reminder: After I gather all the items into a spreadsheet, I randomize the list and then post them in order, so any associations with the poster are strictly coincidental.
- Part 54 of the Nuclear Regulatory Commission's regulations covers the Requirements for Renewal of Operating Licenses for Nuclear Power Plants
- Fox 54 is the branding for WZDX, the Fox affiliate in Huntsville, Alabama
- 54 Below is a nonprofit cabaret supper club at 254 W. 54th St. in New York City
- My height in English units is 5'4"
- In 2026, The Price Is Right is in its 54th season
- The B-54 was the Boeing Ultrafortress strategic bomber. The prototype was canceled in 1949 and never flew
- A standard deck of cards has 54 cards: 52 playing cards and 2 jokers
- The Douglas C-54 Skymaster was a four-engine US military transport plane used during the Berlin Airlift
- As a number, 54 is oddly even, natural, regular, semiperfect, and abundant
- M54 is a bus route in Maryland that runs between the Greencastle Park & Ride and Silver Spring Station, mostly along Colesville Road and Old Columbia Pike
- 54 Reasons is an Australian childrens' rights organization
- The international calling code number for Argentina is 54
- 2026 was the 54th running of the Iditarod, with the winner finishing in 9d 7h 32m 51s
- "54-40 or Fight" was the slogan of American expansionists who wanted the northern border of Oregon above the 54th parallel
- The USS Curtis Wilbur is an Arleigh Burke-class destroyer with hull number DDG-54
- 54 Alexandra is a main-belt asteroid discovered in 1858 and named after explorer Alexander von Humboldt
- 54th Street is a restaurant chain founded in Kansas City, Missouri
- 54 Ultra is a solo project by musician JohnAnthony
- 54 is a 1998 drama centered around NYCs Studio 54 nightclub starring Ryan Philippe
- The 54th Massachusetts Infantry Regiment was the unit featured in the movie Glory
- The landmark case Brown vs. Board of Education was decided May 17, 1954
- American Psychological Association Division 54 is the Society of Pediatric Psychology
- M-54 is a north-south highway in Michigan that's 30 miles long and bypasses Flint
- Federalist #54, pubilshed in 1788, was written by James Madison, discusses the apportioning of representatives amont the states, and defends the Three-Fifths Compromise
- The AIM-54 Phoenix missile was used on F-14 fighters by the US Navy (and by the Iranian Air Force until very, very recently)
- The M54 is a 6x6 US military truck with a 5-ton (offroad) capacity
- Four Big Mama's & Papa's Pizzeria locations in Southern California offer the Giant Sicilian Pizza, which is 54"x54", has 200 square slices, and starts at $399.99
- 54 is a Vietnamese bar/restaurant in Fairfax, Virginia
- Police 10 codes vary, but 10-54 might mean Livestock on Highway; Hit and Run Accident; Man Molesting Children; or Possible Body
- The Tatra 54 was a sedan launched by Czech car company Tatra in 1931
- Psalm 54 is a prayer for deliverance from enemies
- The T-54 is a Soviet tank, part of the T-54/55 tank series that's the most-produced tank in history
- Studio 54 was an infamous New York City nightclub that lasted from 1977–1980. It's a theater now
- Breville espresso machines use 54mm (or 58mm) portafilter baskets
- US Code Title 54 covers the National Park Service and Related Programs
- 54 in binary (base 2) is 110110
- Messier 54 is a globular cluster in the constellation Sagittarius, outside the Milky Way Galaxy
- US Army Field Manual FM 34-54 is about Technical Intelligence
- Roman Emperor Claudius died in CE 54
- Chicago Bears linebacker Brian Urlacher and Chicago Bulls center Horace Grant each wore number 54
- Former Pakistani prime minister Benazir Bhutto was assassinated at age 54
- 54 in Morse Code is ..... ....-
- STS-54 was a 1993 mission of the Space Shuttle Endeavour that lasted just under 6 days and deployed a Tracking and Data Relay Satellite
- USPS Pub 54 is Notice of Bomb Threat. There's no public version of this publication
- 54hz is a bass tone, but I don't think my speakers can play it
- The reign of Roman Emperor Nero began in CE 54
- IRS Publication 54 is the Tax Guide for U.S. Citizens and Resident Aliens Abroad
- The Mark 54 Lightweight Torpedo is the primary anti-submarine warfare weapon used by U.S. Navy surface ships, fixed-wing aircraft and helicopters, built by Raytheon
- Xenon is the element with atomic number 54
- The 54th day of the year is February 23
- R54 is the International Classification of Diseases, 10th Revision (ICD-10) diagnostic code for "Age-related physical debility" [physical weakness]
- If you have an oblong red pill with the imprint M54, it's Methylphenidate Hydrochloride Extended-Release 54 mg, a stimulant
- The 54th US Congress met from March 4, 1895, to March 4, 1897, during the last two years of Grover Cleveland's second presidency
- Article 54 of the UN Charter simply says, "The Security Council shall at all times be kept fully informed of activities undertaken or in contemplation under regional arrangements or by regional agencies for the maintenance of international peace and security."
