Prime Curios!: 55

55
(another Prime Pages' Curiosity)

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55 is 5 times the 5^th prime. [Woods]

Every number greater than 55 is the sum of distinct primes of the form 4n + 3. [Wells]

If sigma(n)/n is greater than 9, then n has at least 55 distinct prime factors. [Laatsch]

Klimov (1975) showed that all integers are the sum of at most 55 prime numbers.

(There is one curio for this number that has not yet been approved by an editor.)