56957697 has 6 divisors (see below), whose sum is σ = 82272242. Its totient is φ = 37971792.

The previous prime is 56957627. The next prime is 56957717. The reversal of 56957697 is 79675965.

56957697 is a `hidden beast` number, since 5 + 69 + 576 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47279376 + 9678321 = 6876^2 + 3111^2 .

It is not a de Polignac number, because 56957697 - 2¹⁸ = 56695553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56957617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3164308 + ... + 3164325.

Almost surely, 2^56957697 is an apocalyptic number.

It is an amenable number.

56957697 is a deficient number, since it is larger than the sum of its proper divisors (25314545).

56957697 is a wasteful number, since it uses less digits than its factorization.

56957697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328639 (or 6328636 counting only the distinct ones).

The product of its digits is 3572100, while the sum is 54.

The square root of 56957697 is about 7547.0323306582. The cubic root of 56957697 is about 384.7548830486.

The spelling of 56957697 in words is "fifty-six million, nine hundred fifty-seven thousand, six hundred ninety-seven".