56907762568 has 32 divisors (see below), whose sum is σ = 107674159320. Its totient is φ = 28195776000.

The previous prime is 56907762551. The next prime is 56907762629. The reversal of 56907762568 is 86526770965.

It can be written as a sum of positive squares in 4 ways, for example, as 24067799044 + 32839963524 = 155138^2 + 181218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336958 + ... + 476818.

Almost surely, 2^56907762568 is an apocalyptic number.

It is an amenable number.

56907762568 is a deficient number, since it is larger than the sum of its proper divisors (50766396752).

56907762568 is a wasteful number, since it uses less digits than its factorization.

56907762568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140329 (or 140325 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 56907762568 in words is "fifty-six billion, nine hundred seven million, seven hundred sixty-two thousand, five hundred sixty-eight".