56398328 has 32 divisors (see below), whose sum is σ = 121123200. Its totient is φ = 24116832.

The previous prime is 56398291. The next prime is 56398339. The reversal of 56398328 is 82389365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33851 + ... + 35477.

It is an arithmetic number, because the mean of its divisors is an integer number (3785100).

Almost surely, 2^56398328 is an apocalyptic number.

It is an amenable number.

56398328 is an abundant number, since it is smaller than the sum of its proper divisors (64724872).

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

56398328 is a wasteful number, since it uses less digits than its factorization.

56398328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259 (or 2255 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 56398328 is about 7509.8820230414. The cubic root of 56398328 is about 383.4912062179.

The spelling of 56398328 in words is "fifty-six million, three hundred ninety-eight thousand, three hundred twenty-eight".