57423157 has 16 divisors (see below), whose sum is σ = 65691648. Its totient is φ = 49685680.

The previous prime is 57423133. The next prime is 57423173. The reversal of 57423157 is 75132475.

It is not a de Polignac number, because 57423157 - 2⁷ = 57423029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57423257) 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, 66108 + ... + 66970.

It is an arithmetic number, because the mean of its divisors is an integer number (4105728).

Almost surely, 2^57423157 is an apocalyptic number.

It is an amenable number.

57423157 is a deficient number, since it is larger than the sum of its proper divisors (8268491).

57423157 is a wasteful number, since it uses less digits than its factorization.

57423157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160.

The product of its digits is 29400, while the sum is 34.

The square root of 57423157 is about 7577.8068727040. The cubic root of 57423157 is about 385.8001170998.

The spelling of 57423157 in words is "fifty-seven million, four hundred twenty-three thousand, one hundred fifty-seven".