56936691 has 12 divisors (see below), whose sum is σ = 93990832. Its totient is φ = 32535216.

The previous prime is 56936669. The next prime is 56936699. The reversal of 56936691 is 19663965.

It is not a de Polignac number, because 56936691 - 2⁷ = 56936563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56936699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 451816 + ... + 451941.

Almost surely, 2^56936691 is an apocalyptic number.

56936691 is a deficient number, since it is larger than the sum of its proper divisors (37054141).

56936691 is a wasteful number, since it uses less digits than its factorization.

56936691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903770 (or 903767 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 56936691 is about 7545.6405294713. The cubic root of 56936691 is about 384.7075780295.

The spelling of 56936691 in words is "fifty-six million, nine hundred thirty-six thousand, six hundred ninety-one".