56463434664 has 64 divisors (see below), whose sum is σ = 173733651840. Its totient is φ = 14891454720.

The previous prime is 56463434617. The next prime is 56463434717. The reversal of 56463434664 is 46643436465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12924427 + ... + 12928794.

It is an arithmetic number, because the mean of its divisors is an integer number (2714588310).

Almost surely, 2^56463434664 is an apocalyptic number.

It is an amenable number.

56463434664 is an abundant number, since it is smaller than the sum of its proper divisors (117270217176).

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

56463434664 is a wasteful number, since it uses less digits than its factorization.

56463434664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25853250 (or 25853246 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 51.

The spelling of 56463434664 in words is "fifty-six billion, four hundred sixty-three million, four hundred thirty-four thousand, six hundred sixty-four".