55 (number)

Mathematics

Science

• The atomic number of caesium.

  Astronomy

• Messier object M55, a magnitude 7.0 globular cluster in the constellation Sagittarius
• The New General Catalogue object NGC 55, a magnitude 7.9 barred spiral galaxy in the constellation Sculptor

  Music

• "Schfifty Five", a song produced by Gröûp X.
• The name of a song by Kasabian. The song was released as a B side to Club Foot and was recorded live when the band performed at London's Brixton Academy.
• "I Can't Drive 55", a song by Sammy Hagar
• "Ol' '55", a song by Tom Waits
• Ol' 55, an Australian rock band.
• Primer 55 an American band
• Station 55, an album released in 2005 by Cristian Vogel
• 55 Cadillac, an album by Andrew W.K.

  Transportation

• In the United States, the National Maximum Speed Law prohibited speed limits higher than from 1974 to 1987

  Film

• 55 Days at Peking a film starring Charlton Heston and David Niven

  Years

• AD 55
• 55 BC
• 1755
• 1855
• 1955

  Other uses

• Gazeta 55, an Albanian newspaper
• Agitation and Propaganda against the State, also known as Constitution law 55, a law during Communist Albania.
• The code for international direct dial phone calls to Brazil
• A 55-gallon drum; see 44 gallon drum
• The Élysée, the official residency of the French Republic president, which address is 55 rue du Faubourg-Saint-Honoré in Paris.
• The number of the laps of the Abu Dhabi Grand Prix.