56640801177 has 32 divisors (see below), whose sum is σ = 84206908800. Its totient is φ = 37628188416.

The previous prime is 56640801157. The next prime is 56640801179. The reversal of 56640801177 is 77110804665.

56640801177 is a `hidden beast` number, since 566 + 4 + 0 + 8 + 0 + 11 + 77 = 666.

It is not a de Polignac number, because 56640801177 - 2¹⁵ = 56640768409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56640801179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11396349 + ... + 11401317.

It is an arithmetic number, because the mean of its divisors is an integer number (2631465900).

Almost surely, 2^56640801177 is an apocalyptic number.

It is an amenable number.

56640801177 is a deficient number, since it is larger than the sum of its proper divisors (27566107623).

56640801177 is a wasteful number, since it uses less digits than its factorization.

56640801177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374 (or 6368 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 56640801177 in words is "fifty-six billion, six hundred forty million, eight hundred one thousand, one hundred seventy-seven".