56757057 has 16 divisors (see below), whose sum is σ = 86647680. Its totient is φ = 32372352.

The previous prime is 56757053. The next prime is 56757073. The reversal of 56757057 is 75075765.

It is not a de Polignac number, because 56757057 - 2² = 56757053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56757053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10669 + ... + 15077.

It is an arithmetic number, because the mean of its divisors is an integer number (5415480).

Almost surely, 2^56757057 is an apocalyptic number.

It is an amenable number.

56757057 is a deficient number, since it is larger than the sum of its proper divisors (29890623).

56757057 is a wasteful number, since it uses less digits than its factorization.

56757057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032.

The product of its (nonzero) digits is 257250, while the sum is 42.

The square root of 56757057 is about 7533.7279616402. The cubic root of 56757057 is about 384.3025705023.

The spelling of 56757057 in words is "fifty-six million, seven hundred fifty-seven thousand, fifty-seven".