57113317 has 2 divisors, whose sum is σ = 57113318. Its totient is φ = 57113316.

The previous prime is 57113299. The next prime is 57113321. The reversal of 57113317 is 71331175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56085121 + 1028196 = 7489^2 + 1014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57113317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57123317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28556658 + 28556659.

It is an arithmetic number, because the mean of its divisors is an integer number (28556659).

Almost surely, 2^57113317 is an apocalyptic number.

It is an amenable number.

57113317 is a deficient number, since it is larger than the sum of its proper divisors (1).

57113317 is an equidigital number, since it uses as much as digits as its factorization.

57113317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2205, while the sum is 28.

The square root of 57113317 is about 7557.3353108090. The cubic root of 57113317 is about 385.1049739052.

The spelling of 57113317 in words is "fifty-seven million, one hundred thirteen thousand, three hundred seventeen".