57940784 has 20 divisors (see below), whose sum is σ = 122466120. Its totient is φ = 26336640.

The previous prime is 57940783. The next prime is 57940787. The reversal of 57940784 is 48704975.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57940783) 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, 164429 + ... + 164780.

It is an arithmetic number, because the mean of its divisors is an integer number (6123306).

Almost surely, 2^57940784 is an apocalyptic number.

It is an amenable number.

57940784 is an abundant number, since it is smaller than the sum of its proper divisors (64525336).

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

57940784 is a wasteful number, since it uses less digits than its factorization.

57940784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329228 (or 329222 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 57940784 is about 7611.8843921857. The cubic root of 57940784 is about 386.9558848195.

The spelling of 57940784 in words is "fifty-seven million, nine hundred forty thousand, seven hundred eighty-four".