56931464009 has 16 divisors (see below), whose sum is σ = 67179442176. Its totient is φ = 47212966800.

The previous prime is 56931463969. The next prime is 56931464039. The reversal of 56931464009 is 90046413965.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56931464009 - 2⁸ = 56931463753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56931464039) 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, 948914 + ... + 1007124.

It is an arithmetic number, because the mean of its divisors is an integer number (4198715136).

Almost surely, 2^56931464009 is an apocalyptic number.

It is an amenable number.

56931464009 is a deficient number, since it is larger than the sum of its proper divisors (10247978167).

56931464009 is a wasteful number, since it uses less digits than its factorization.

56931464009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62756.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 56931464009 in words is "fifty-six billion, nine hundred thirty-one million, four hundred sixty-four thousand, nine".