57056117 has 2 divisors, whose sum is σ = 57056118. Its totient is φ = 57056116.

The previous prime is 57056113. The next prime is 57056161. The reversal of 57056117 is 71165075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37466641 + 19589476 = 6121^2 + 4426^2 .

It is a cyclic number.

It is not a de Polignac number, because 57056117 - 2² = 57056113 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57056113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28528058 + 28528059.

It is an arithmetic number, because the mean of its divisors is an integer number (28528059).

Almost surely, 2^57056117 is an apocalyptic number.

It is an amenable number.

57056117 is a deficient number, since it is larger than the sum of its proper divisors (1).

57056117 is an equidigital number, since it uses as much as digits as its factorization.

57056117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 57056117 is about 7553.5499601181. The cubic root of 57056117 is about 384.9763678079.

The spelling of 57056117 in words is "fifty-seven million, fifty-six thousand, one hundred seventeen".