57382042 has 16 divisors (see below), whose sum is σ = 90560232. Its totient is φ = 27233280.

The previous prime is 57382037. The next prime is 57382049. The reversal of 57382042 is 24028375.

It can be written as a sum of positive squares in 4 ways, for example, as 56235001 + 1147041 = 7499^2 + 1071^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57381995 and 57382013.

It is not an unprimeable number, because it can be changed into a prime (57382049) 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, 6423 + ... + 12490.

Almost surely, 2^57382042 is an apocalyptic number.

57382042 is a deficient number, since it is larger than the sum of its proper divisors (33178190).

57382042 is a wasteful number, since it uses less digits than its factorization.

57382042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18993.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 57382042 is about 7575.0935307757. The cubic root of 57382042 is about 385.7080174434.

The spelling of 57382042 in words is "fifty-seven million, three hundred eighty-two thousand, forty-two".