57043228 has 24 divisors (see below), whose sum is σ = 115308144. Its totient is φ = 24403200.

The previous prime is 57043223. The next prime is 57043229. The reversal of 57043228 is 82234075.

57043228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 57043228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57043223) 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 7 ways as a sum of consecutive naturals, for example, 37383 + ... + 38878.

It is an arithmetic number, because the mean of its divisors is an integer number (4804506).

Almost surely, 2^57043228 is an apocalyptic number.

It is an amenable number.

57043228 is an abundant number, since it is smaller than the sum of its proper divisors (58264916).

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

57043228 is a wasteful number, since it uses less digits than its factorization.

57043228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76293 (or 76291 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 57043228 is about 7552.6967369278. The cubic root of 57043228 is about 384.9473768521.

The spelling of 57043228 in words is "fifty-seven million, forty-three thousand, two hundred twenty-eight".