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55 (fifty-five) is a positive integer following 54 and preceding 56. Its ordinal form is written "fifty-fifth" or 55th.

Properties Edit

55 is an odd composite number.

55 is the 10th triangular number.

55 is a repdigit number.

55 is the 10th Fibonacci number.

In googology Edit

In Greek-based number-naming systems, 55 is associated with prefix "pentapentaconta-", and with prefix "quinquinquaginti-" in Latin systems.

SuperJedi224 calls this number Fibonax.[1]

See also Edit

Sources Edit

  1. Naming Large Fibonacci Numbers

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