57374520 has 128 divisors (see below), whose sum is σ = 198374400. Its totient is φ = 13003776.

The previous prime is 57374503. The next prime is 57374543. The reversal of 57374520 is 2547375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140076 + ... + 140484.

It is an arithmetic number, because the mean of its divisors is an integer number (1549800).

Almost surely, 2^57374520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57374520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99187200).

57374520 is an abundant number, since it is smaller than the sum of its proper divisors (140999880).

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

57374520 is a wasteful number, since it uses less digits than its factorization.

57374520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 57374520 is about 7574.5970189839. The cubic root of 57374520 is about 385.6911630270.

The spelling of 57374520 in words is "fifty-seven million, three hundred seventy-four thousand, five hundred twenty".