56057117 has 2 divisors, whose sum is σ = 56057118. Its totient is φ = 56057116.

The previous prime is 56057101. The next prime is 56057123. The reversal of 56057117 is 71175065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37687321 + 18369796 = 6139^2 + 4286^2 .

It is a cyclic number.

It is not a de Polignac number, because 56057117 - 2⁴ = 56057101 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 (56057137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28028558 + 28028559.

It is an arithmetic number, because the mean of its divisors is an integer number (28028559).

Almost surely, 2^56057117 is an apocalyptic number.

It is an amenable number.

56057117 is a deficient number, since it is larger than the sum of its proper divisors (1).

56057117 is an equidigital number, since it uses as much as digits as its factorization.

56057117 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 56057117 is about 7487.1300910295. The cubic root of 56057117 is about 382.7162648457.

The spelling of 56057117 in words is "fifty-six million, fifty-seven thousand, one hundred seventeen".