57045258 has 24 divisors (see below), whose sum is σ = 130104000. Its totient is φ = 18014184.

The previous prime is 57045223. The next prime is 57045269. The reversal of 57045258 is 85254075.

It is a happy number.

It is a super-2 number, since 2×57045258² = 6508322920573128, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83058 + ... + 83741.

It is an arithmetic number, because the mean of its divisors is an integer number (5421000).

Almost surely, 2^57045258 is an apocalyptic number.

57045258 is an abundant number, since it is smaller than the sum of its proper divisors (73058742).

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

57045258 is a wasteful number, since it uses less digits than its factorization.

57045258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166826 (or 166823 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 57045258 is about 7552.8311248167. The cubic root of 57045258 is about 384.9519431780.

The spelling of 57045258 in words is "fifty-seven million, forty-five thousand, two hundred fifty-eight".