57239058 has 32 divisors (see below), whose sum is σ = 120867840. Its totient is φ = 18020880.

The previous prime is 57239053. The next prime is 57239059. The reversal of 57239058 is 85093275.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (57239053) 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, 55003 + ... + 56033.

It is an arithmetic number, because the mean of its divisors is an integer number (3777120).

Almost surely, 2^57239058 is an apocalyptic number.

57239058 is an abundant number, since it is smaller than the sum of its proper divisors (63628782).

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

57239058 is a wasteful number, since it uses less digits than its factorization.

57239058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 57239058 is about 7565.6498729455. The cubic root of 57239058 is about 385.3873831809.

The spelling of 57239058 in words is "fifty-seven million, two hundred thirty-nine thousand, fifty-eight".