56613421464 has 32 divisors (see below), whose sum is σ = 145358787120. Its totient is φ = 18361109376.

The previous prime is 56613421457. The next prime is 56613421477. The reversal of 56613421464 is 46412431665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31876039 + ... + 31877814.

Almost surely, 2^56613421464 is an apocalyptic number.

It is an amenable number.

56613421464 is an abundant number, since it is smaller than the sum of its proper divisors (88745365656).

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

56613421464 is a wasteful number, since it uses less digits than its factorization.

56613421464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63753899 (or 63753895 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The spelling of 56613421464 in words is "fifty-six billion, six hundred thirteen million, four hundred twenty-one thousand, four hundred sixty-four".