57313717 has 2 divisors, whose sum is σ = 57313718. Its totient is φ = 57313716.

The previous prime is 57313693. The next prime is 57313757. The reversal of 57313717 is 71731375.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55935441 + 1378276 = 7479^2 + 1174^2 .

It is a cyclic number.

It is not a de Polignac number, because 57313717 - 2²³ = 48925109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57313757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28656858 + 28656859.

It is an arithmetic number, because the mean of its divisors is an integer number (28656859).

Almost surely, 2^57313717 is an apocalyptic number.

It is an amenable number.

57313717 is a deficient number, since it is larger than the sum of its proper divisors (1).

57313717 is an equidigital number, since it uses as much as digits as its factorization.

57313717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15435, while the sum is 34.

The square root of 57313717 is about 7570.5823421980. The cubic root of 57313717 is about 385.5548686763.

The spelling of 57313717 in words is "fifty-seven million, three hundred thirteen thousand, seven hundred seventeen".