56957629136 has 10 divisors (see below), whose sum is σ = 110355406482. Its totient is φ = 28478814560.

The previous prime is 56957629123. The next prime is 56957629151. The reversal of 56957629136 is 63192675965.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36549792400 + 20407836736 = 191180^2 + 142856^2 .

It is a super-2 number, since 2×56957629136² (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 as a sum of consecutive naturals, namely, 1779925895 + ... + 1779925926.

Almost surely, 2^56957629136 is an apocalyptic number.

It is an amenable number.

56957629136 is a deficient number, since it is larger than the sum of its proper divisors (53397777346).

56957629136 is a wasteful number, since it uses less digits than its factorization.

56957629136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559851829 (or 3559851823 counting only the distinct ones).

The product of its digits is 18370800, while the sum is 59.

The spelling of 56957629136 in words is "fifty-six billion, nine hundred fifty-seven million, six hundred twenty-nine thousand, one hundred thirty-six".