255507500553 has 16 divisors (see below), whose sum is σ = 366236958720. Its totient is φ = 157939685136.

The previous prime is 255507500527. The next prime is 255507500587. The reversal of 255507500553 is 355005705552.

It is not a de Polignac number, because 255507500553 - 2¹⁸ = 255507238409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255507500453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47684425 + ... + 47689782.

It is an arithmetic number, because the mean of its divisors is an integer number (22889809920).

Almost surely, 2^255507500553 is an apocalyptic number.

It is an amenable number.

255507500553 is a deficient number, since it is larger than the sum of its proper divisors (110729458167).

255507500553 is a wasteful number, since it uses less digits than its factorization.

255507500553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95374276.

The product of its (nonzero) digits is 656250, while the sum is 42.

The spelling of 255507500553 in words is "two hundred fifty-five billion, five hundred seven million, five hundred thousand, five hundred fifty-three".