57032628 has 24 divisors (see below), whose sum is σ = 134762880. Its totient is φ = 18769920.

The previous prime is 57032609. The next prime is 57032629. The reversal of 57032628 is 82623075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57032629) 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, 29133 + ... + 31028.

It is an arithmetic number, because the mean of its divisors is an integer number (5615120).

Almost surely, 2^57032628 is an apocalyptic number.

It is an amenable number.

57032628 is an abundant number, since it is smaller than the sum of its proper divisors (77730252).

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

57032628 is a wasteful number, since it uses less digits than its factorization.

57032628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60247 (or 60245 counting only the distinct ones).

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

The square root of 57032628 is about 7551.9949682187. The cubic root of 57032628 is about 384.9235312231.

The spelling of 57032628 in words is "fifty-seven million, thirty-two thousand, six hundred twenty-eight".