56564168535 has 32 divisors (see below), whose sum is σ = 114924026880. Its totient is φ = 25857905184.

The previous prime is 56564168483. The next prime is 56564168579. The reversal of 56564168535 is 53586146565.

56564168535 is a `hidden beast` number, since 5 + 6 + 5 + 6 + 41 + 68 + 535 = 666.

It is not a de Polignac number, because 56564168535 - 2⁷ = 56564168407 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 29927187 + ... + 29929076.

It is an arithmetic number, because the mean of its divisors is an integer number (3591375840).

Almost surely, 2^56564168535 is an apocalyptic number.

56564168535 is an abundant number, since it is smaller than the sum of its proper divisors (58359858345).

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

56564168535 is a wasteful number, since it uses less digits than its factorization.

56564168535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59856284 (or 59856278 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 54.

The spelling of 56564168535 in words is "fifty-six billion, five hundred sixty-four million, one hundred sixty-eight thousand, five hundred thirty-five".