56504222136 has 64 divisors (see below), whose sum is σ = 157005619200. Its totient is φ = 18828807264.

The previous prime is 56504222129. The next prime is 56504222161. The reversal of 56504222136 is 63122240565.

56504222136 is a `hidden beast` number, since 56 + 50 + 422 + 2 + 136 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 56504222136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674761 + ... + 753863.

It is an arithmetic number, because the mean of its divisors is an integer number (2453212800).

Almost surely, 2^56504222136 is an apocalyptic number.

It is an amenable number.

56504222136 is an abundant number, since it is smaller than the sum of its proper divisors (100501397064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56504222136 is a wasteful number, since it uses less digits than its factorization.

56504222136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82425 (or 82415 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 56504222136 in words is "fifty-six billion, five hundred four million, two hundred twenty-two thousand, one hundred thirty-six".