56511675464 has 16 divisors (see below), whose sum is σ = 110566321920. Its totient is φ = 27027322960.

The previous prime is 56511675443. The next prime is 56511675469. The reversal of 56511675464 is 46457611565.

It is not an unprimeable number, because it can be changed into a prime (56511675469) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 153564152 + ... + 153564519.

It is an arithmetic number, because the mean of its divisors is an integer number (6910395120).

Almost surely, 2^56511675464 is an apocalyptic number.

It is an amenable number.

56511675464 is a deficient number, since it is larger than the sum of its proper divisors (54054646456).

56511675464 is a wasteful number, since it uses less digits than its factorization.

56511675464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307128700 (or 307128696 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 50.

The spelling of 56511675464 in words is "fifty-six billion, five hundred eleven million, six hundred seventy-five thousand, four hundred sixty-four".