56956773057 has 8 divisors (see below), whose sum is σ = 76273991040. Its totient is φ = 37805368560.

The previous prime is 56956773001. The next prime is 56956773059. The reversal of 56956773057 is 75037765965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-56956773057 is a prime.

It is a super-2 number, since 2×56956773057² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56956773059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41452569 + ... + 41453942.

It is an arithmetic number, because the mean of its divisors is an integer number (9534248880).

Almost surely, 2^56956773057 is an apocalyptic number.

It is an amenable number.

56956773057 is a deficient number, since it is larger than the sum of its proper divisors (19317217983).

56956773057 is a wasteful number, since it uses less digits than its factorization.

56956773057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82906743.

The product of its (nonzero) digits is 41674500, while the sum is 60.

The spelling of 56956773057 in words is "fifty-six billion, nine hundred fifty-six million, seven hundred seventy-three thousand, fifty-seven".