57751842 has 16 divisors (see below), whose sum is σ = 115758720. Its totient is φ = 19208112.

The previous prime is 57751831. The next prime is 57751843. The reversal of 57751842 is 24815775.

It is a self number, because there is not a number n which added to its sum of digits gives 57751842.

It is not an unprimeable number, because it can be changed into a prime (57751843) 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, 7617 + ... + 13172.

It is an arithmetic number, because the mean of its divisors is an integer number (7234920).

Almost surely, 2^57751842 is an apocalyptic number.

57751842 is an abundant number, since it is smaller than the sum of its proper divisors (58006878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57751842 is a wasteful number, since it uses less digits than its factorization.

57751842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21257.

The product of its digits is 78400, while the sum is 39.

The square root of 57751842 is about 7599.4632705211. The cubic root of 57751842 is about 386.5348121899.

The spelling of 57751842 in words is "fifty-seven million, seven hundred fifty-one thousand, eight hundred forty-two".