56475984 has 20 divisors (see below), whose sum is σ = 145896416. Its totient is φ = 18825312.

The previous prime is 56475973. The next prime is 56476003. The reversal of 56475984 is 48957465.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1176583 = 56475984 / (5 + 6 + 4 + 7 + 5 + 9 + 8 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588244 + ... + 588339.

Almost surely, 2^56475984 is an apocalyptic number.

It is an amenable number.

56475984 is an abundant number, since it is smaller than the sum of its proper divisors (89420432).

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

56475984 is a wasteful number, since it uses less digits than its factorization.

56475984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176594 (or 1176588 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 56475984 is about 7515.0504988323. The cubic root of 56475984 is about 383.6671377641.

The spelling of 56475984 in words is "fifty-six million, four hundred seventy-five thousand, nine hundred eighty-four".