57516157 has 4 divisors (see below), whose sum is σ = 57536640. Its totient is φ = 57495676.

The previous prime is 57516149. The next prime is 57516197. The reversal of 57516157 is 75161575.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57516157 - 2³ = 57516149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57516197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5203 + ... + 11920.

It is an arithmetic number, because the mean of its divisors is an integer number (14384160).

Almost surely, 2^57516157 is an apocalyptic number.

It is an amenable number.

57516157 is a deficient number, since it is larger than the sum of its proper divisors (20483).

57516157 is a wasteful number, since it uses less digits than its factorization.

57516157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20482.

The product of its digits is 36750, while the sum is 37.

The square root of 57516157 is about 7583.9407302536. The cubic root of 57516157 is about 386.0082796867.

The spelling of 57516157 in words is "fifty-seven million, five hundred sixteen thousand, one hundred fifty-seven".