57315313 has 16 divisors (see below), whose sum is σ = 67464576. Its totient is φ = 48106240.

The previous prime is 57315301. The next prime is 57315317. The reversal of 57315313 is 31351375.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57315313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57315317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7020 + ... + 12802.

It is an arithmetic number, because the mean of its divisors is an integer number (4216536).

Almost surely, 2^57315313 is an apocalyptic number.

57315313 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

57315313 is a deficient number, since it is larger than the sum of its proper divisors (10149263).

57315313 is a wasteful number, since it uses less digits than its factorization.

57315313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864.

The product of its digits is 4725, while the sum is 28.

The square root of 57315313 is about 7570.6877494716. The cubic root of 57315313 is about 385.5584474581.

Adding to 57315313 its reverse (31351375), we get a palindrome (88666688).

The spelling of 57315313 in words is "fifty-seven million, three hundred fifteen thousand, three hundred thirteen".