57808220 has 12 divisors (see below), whose sum is σ = 121397304. Its totient is φ = 23123280.

The previous prime is 57808183. The next prime is 57808249. The reversal of 57808220 is 2280875.

57808220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445186 + ... + 1445225.

It is an arithmetic number, because the mean of its divisors is an integer number (10116442).

Almost surely, 2^57808220 is an apocalyptic number.

It is an amenable number.

57808220 is an abundant number, since it is smaller than the sum of its proper divisors (63589084).

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

57808220 is a wasteful number, since it uses less digits than its factorization.

57808220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890420 (or 2890418 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 57808220 is about 7603.1717065972. The cubic root of 57808220 is about 386.6605511650.

The spelling of 57808220 in words is "fifty-seven million, eight hundred eight thousand, two hundred twenty".