56564168536 has 16 divisors (see below), whose sum is σ = 106064116200. Its totient is φ = 28280404224.

The previous prime is 56564168483. The next prime is 56564168579. The reversal of 56564168536 is 63586146565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60670 + ... + 341773.

Almost surely, 2^56564168536 is an apocalyptic number.

It is an amenable number.

56564168536 is a deficient number, since it is larger than the sum of its proper divisors (49499947664).

56564168536 is a wasteful number, since it uses less digits than its factorization.

56564168536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420018 (or 420014 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 55.

The spelling of 56564168536 in words is "fifty-six billion, five hundred sixty-four million, one hundred sixty-eight thousand, five hundred thirty-six".