57057313 has 8 divisors (see below), whose sum is σ = 57644480. Its totient is φ = 56473200.

The previous prime is 57057283. The next prime is 57057317. The reversal of 57057313 is 31375075.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57057313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57057317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56731 + ... + 57727.

It is an arithmetic number, because the mean of its divisors is an integer number (7205560).

Almost surely, 2^57057313 is an apocalyptic number.

It is an amenable number.

57057313 is a deficient number, since it is larger than the sum of its proper divisors (587167).

57057313 is a wasteful number, since it uses less digits than its factorization.

57057313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 57057313 is about 7553.6291277769. The cubic root of 57057313 is about 384.9790577241.

The spelling of 57057313 in words is "fifty-seven million, fifty-seven thousand, three hundred thirteen".