57371838 has 32 divisors (see below), whose sum is σ = 122718240. Its totient is φ = 17817600.

The previous prime is 57371801. The next prime is 57371851. The reversal of 57371838 is 83817375.

It is a self number, because there is not a number n which added to its sum of digits gives 57371838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7518 + ... + 13086.

It is an arithmetic number, because the mean of its divisors is an integer number (3834945).

Almost surely, 2^57371838 is an apocalyptic number.

57371838 is an abundant number, since it is smaller than the sum of its proper divisors (65346402).

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

57371838 is a wasteful number, since it uses less digits than its factorization.

57371838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5692.

The product of its digits is 141120, while the sum is 42.

The square root of 57371838 is about 7574.4199777937. The cubic root of 57371838 is about 385.6851531593.

The spelling of 57371838 in words is "fifty-seven million, three hundred seventy-one thousand, eight hundred thirty-eight".