57484220 has 12 divisors (see below), whose sum is σ = 120716904. Its totient is φ = 22993680.

The previous prime is 57484213. The next prime is 57484289. The reversal of 57484220 is 2248475.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437086 + ... + 1437125.

It is an arithmetic number, because the mean of its divisors is an integer number (10059742).

Almost surely, 2^57484220 is an apocalyptic number.

It is an amenable number.

57484220 is an abundant number, since it is smaller than the sum of its proper divisors (63232684).

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

57484220 is a wasteful number, since it uses less digits than its factorization.

57484220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874220 (or 2874218 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 57484220 is about 7581.8348702672. The cubic root of 57484220 is about 385.9368201783.

The spelling of 57484220 in words is "fifty-seven million, four hundred eighty-four thousand, two hundred twenty".