57977328 has 40 divisors (see below), whose sum is σ = 152237776. Its totient is φ = 19008000.

The previous prime is 57977281. The next prime is 57977329. The reversal of 57977328 is 82377975.

It is a super-2 number, since 2×57977328² = 6722741124039168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57977329) 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, 6973 + ... + 12828.

Almost surely, 2^57977328 is an apocalyptic number.

It is an amenable number.

57977328 is an abundant number, since it is smaller than the sum of its proper divisors (94260448).

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

57977328 is a wasteful number, since it uses less digits than its factorization.

57977328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19873 (or 19867 counting only the distinct ones).

The product of its digits is 740880, while the sum is 48.

The square root of 57977328 is about 7614.2844706512. The cubic root of 57977328 is about 387.0372204118.

The spelling of 57977328 in words is "fifty-seven million, nine hundred seventy-seven thousand, three hundred twenty-eight".