56475321 has 16 divisors (see below), whose sum is σ = 86640000. Its totient is φ = 32053248.

The previous prime is 56475319. The next prime is 56475329. The reversal of 56475321 is 12357465.

It is not a de Polignac number, because 56475321 - 2¹ = 56475319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56475329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5896 + ... + 12153.

It is an arithmetic number, because the mean of its divisors is an integer number (5415000).

Almost surely, 2^56475321 is an apocalyptic number.

It is an amenable number.

56475321 is a deficient number, since it is larger than the sum of its proper divisors (30164679).

56475321 is a wasteful number, since it uses less digits than its factorization.

56475321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18208.

The product of its digits is 25200, while the sum is 33.

The square root of 56475321 is about 7515.0063872228. The cubic root of 56475321 is about 383.6656364043.

The spelling of 56475321 in words is "fifty-six million, four hundred seventy-five thousand, three hundred twenty-one".