56745037256 has 16 divisors (see below), whose sum is σ = 112655588940. Its totient is φ = 26703546880.

The previous prime is 56745037253. The next prime is 56745037301. The reversal of 56745037256 is 65273054765.

It can be written as a sum of positive squares in 2 ways, for example, as 55335034756 + 1410002500 = 235234^2 + 37550^2 .

It is not an unprimeable number, because it can be changed into a prime (56745037253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208621325 + ... + 208621596.

Almost surely, 2^56745037256 is an apocalyptic number.

It is an amenable number.

56745037256 is a deficient number, since it is larger than the sum of its proper divisors (55910551684).

56745037256 is a wasteful number, since it uses less digits than its factorization.

56745037256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417242944 (or 417242940 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 50.

The spelling of 56745037256 in words is "fifty-six billion, seven hundred forty-five million, thirty-seven thousand, two hundred fifty-six".