255505503055 has 32 divisors (see below), whose sum is σ = 336593180160. Its totient is φ = 184649681280.

The previous prime is 255505502971. The next prime is 255505503067. The reversal of 255505503055 is 550305505552.

It is a happy number.

It is not a de Polignac number, because 255505503055 - 2⁹ = 255505502543 is a prime.

It is a super-2 number, since 2×255505503055² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255505502999 and 255505503017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14689894 + ... + 14707276.

It is an arithmetic number, because the mean of its divisors is an integer number (10518536880).

Almost surely, 2^255505503055 is an apocalyptic number.

255505503055 is a deficient number, since it is larger than the sum of its proper divisors (81087677105).

255505503055 is a wasteful number, since it uses less digits than its factorization.

255505503055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19071.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 255505503055 in words is "two hundred fifty-five billion, five hundred five million, five hundred three thousand, fifty-five".