56602520955 has 48 divisors (see below), whose sum is σ = 103177960704. Its totient is φ = 29762782560.

The previous prime is 56602520951. The next prime is 56602520977. The reversal of 56602520955 is 55902520665.

It is not a de Polignac number, because 56602520955 - 2² = 56602520951 is a prime.

It is a super-2 number, since 2×56602520955² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56602520955.

It is not an unprimeable number, because it can be changed into a prime (56602520951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 241809 + ... + 414338.

It is an arithmetic number, because the mean of its divisors is an integer number (2149540848).

Almost surely, 2^56602520955 is an apocalyptic number.

56602520955 is a deficient number, since it is larger than the sum of its proper divisors (46575439749).

56602520955 is an equidigital number, since it uses as much as digits as its factorization.

56602520955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656238 (or 656226 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 56602520955 in words is "fifty-six billion, six hundred two million, five hundred twenty thousand, nine hundred fifty-five".