57084920 has 32 divisors (see below), whose sum is σ = 128725200. Its totient is φ = 22783488.

The previous prime is 57084917. The next prime is 57084943. The reversal of 57084920 is 2948075.

It is a happy number.

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, 20576 + ... + 23184.

Almost surely, 2^57084920 is an apocalyptic number.

It is an amenable number.

57084920 is an abundant number, since it is smaller than the sum of its proper divisors (71640280).

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

57084920 is a wasteful number, since it uses less digits than its factorization.

57084920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167 (or 3163 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 57084920 is about 7555.4563065377. The cubic root of 57084920 is about 385.0411380115.

The spelling of 57084920 in words is "fifty-seven million, eighty-four thousand, nine hundred twenty".