57284188 has 12 divisors (see below), whose sum is σ = 107958760. Its totient is φ = 26438832.

The previous prime is 57284141. The next prime is 57284189. The reversal of 57284188 is 88148275.

57284188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57284189) by changing a digit.

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, 550758 + ... + 550861.

Almost surely, 2^57284188 is an apocalyptic number.

It is an amenable number.

57284188 is a deficient number, since it is larger than the sum of its proper divisors (50674572).

57284188 is a wasteful number, since it uses less digits than its factorization.

57284188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101636 (or 1101634 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 57284188 is about 7568.6318446599. The cubic root of 57284188 is about 385.4886424968.

The spelling of 57284188 in words is "fifty-seven million, two hundred eighty-four thousand, one hundred eighty-eight".