57292258 has 16 divisors (see below), whose sum is σ = 92171520. Its totient is φ = 26625456.

The previous prime is 57292231. The next prime is 57292259. The reversal of 57292258 is 85229275.

It is a self number, because there is not a number n which added to its sum of digits gives 57292258.

It is not an unprimeable number, because it can be changed into a prime (57292259) 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, 12210 + ... + 16237.

It is an arithmetic number, because the mean of its divisors is an integer number (5760720).

Almost surely, 2^57292258 is an apocalyptic number.

57292258 is a deficient number, since it is larger than the sum of its proper divisors (34879262).

57292258 is a wasteful number, since it uses less digits than its factorization.

57292258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28521.

The product of its digits is 100800, while the sum is 40.

The square root of 57292258 is about 7569.1649473373. The cubic root of 57292258 is about 385.5067437529.

The spelling of 57292258 in words is "fifty-seven million, two hundred ninety-two thousand, two hundred fifty-eight".