56955686164 has 48 divisors (see below), whose sum is σ = 109546495632. Its totient is φ = 25748416512.

The previous prime is 56955686159. The next prime is 56955686197. The reversal of 56955686164 is 46168655965.

It can be written as a sum of positive squares in 8 ways, for example, as 20744640900 + 36211045264 = 144030^2 + 190292^2 .

It is a super-2 number, since 2×56955686164² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1672572 + ... + 1706284.

It is an arithmetic number, because the mean of its divisors is an integer number (2282218659).

Almost surely, 2^56955686164 is an apocalyptic number.

It is an amenable number.

56955686164 is a deficient number, since it is larger than the sum of its proper divisors (52590809468).

56955686164 is a wasteful number, since it uses less digits than its factorization.

56955686164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34396 (or 34394 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 61.

The spelling of 56955686164 in words is "fifty-six billion, nine hundred fifty-five million, six hundred eighty-six thousand, one hundred sixty-four".