57328 has 10 divisors (see below), whose sum is σ = 111104. Its totient is φ = 28656.

The previous prime is 57301. The next prime is 57329. The reversal of 57328 is 82375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57329) by changing a digit.

57328 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1776 + ... + 1807.

2⁵⁷³²⁸ is an apocalyptic number.

It is an amenable number.

57328 is a deficient number, since it is larger than the sum of its proper divisors (53776).

57328 is a wasteful number, since it uses less digits than its factorization.

57328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591 (or 3585 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 57328 is about 239.4326627676. The cubic root of 57328 is about 38.5586893720.

The spelling of 57328 in words is "fifty-seven thousand, three hundred twenty-eight".