57012464 has 40 divisors (see below), whose sum is σ = 117075840. Its totient is φ = 26820288.

The previous prime is 57012443. The next prime is 57012481. The reversal of 57012464 is 46421075.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50207 + ... + 51329.

It is an arithmetic number, because the mean of its divisors is an integer number (2926896).

Almost surely, 2^57012464 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 57012464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58537920).

57012464 is an abundant number, since it is smaller than the sum of its proper divisors (60063376).

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

57012464 is a wasteful number, since it uses less digits than its factorization.

57012464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 57012464 is about 7550.6598387161. The cubic root of 57012464 is about 384.8781623804.

The spelling of 57012464 in words is "fifty-seven million, twelve thousand, four hundred sixty-four".