57455260 has 12 divisors (see below), whose sum is σ = 120656088. Its totient is φ = 22982096.

The previous prime is 57455231. The next prime is 57455261. The reversal of 57455260 is 6255475.

It is a super-2 number, since 2×57455260² = 6602213803335200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57455261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436362 + ... + 1436401.

It is an arithmetic number, because the mean of its divisors is an integer number (10054674).

Almost surely, 2^57455260 is an apocalyptic number.

It is an amenable number.

57455260 is an abundant number, since it is smaller than the sum of its proper divisors (63200828).

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

57455260 is a wasteful number, since it uses less digits than its factorization.

57455260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872772 (or 2872770 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 57455260 is about 7579.9248017378. The cubic root of 57455260 is about 385.8719988659.

The spelling of 57455260 in words is "fifty-seven million, four hundred fifty-five thousand, two hundred sixty".