57433128 has 32 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 18677120.

The previous prime is 57433121. The next prime is 57433163. The reversal of 57433128 is 82133475.

It is not an unprimeable number, because it can be changed into a prime (57433121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28200 + ... + 30167.

It is an arithmetic number, because the mean of its divisors is an integer number (4596480).

Almost surely, 2^57433128 is an apocalyptic number.

It is an amenable number.

57433128 is an abundant number, since it is smaller than the sum of its proper divisors (89654232).

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

57433128 is a wasteful number, since it uses less digits than its factorization.

57433128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58417 (or 58413 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 57433128 is about 7578.4647521777. The cubic root of 57433128 is about 385.8224460146.

The spelling of 57433128 in words is "fifty-seven million, four hundred thirty-three thousand, one hundred twenty-eight".