57156313 has 16 divisors (see below), whose sum is σ = 61819200. Its totient is φ = 52678080.

The previous prime is 57156301. The next prime is 57156317. The reversal of 57156313 is 31365175.

It is a cyclic number.

It is not a de Polignac number, because 57156313 - 2¹³ = 57148121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57156317) 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, 212343 + ... + 212611.

It is an arithmetic number, because the mean of its divisors is an integer number (3863700).

Almost surely, 2^57156313 is an apocalyptic number.

57156313 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

57156313 is a deficient number, since it is larger than the sum of its proper divisors (4662887).

57156313 is a wasteful number, since it uses less digits than its factorization.

57156313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552.

The product of its digits is 9450, while the sum is 31.

The square root of 57156313 is about 7560.1794290876. The cubic root of 57156313 is about 385.2015878008.

The spelling of 57156313 in words is "fifty-seven million, one hundred fifty-six thousand, three hundred thirteen".