56473880 has 16 divisors (see below), whose sum is σ = 127066320. Its totient is φ = 22589536.

The previous prime is 56473799. The next prime is 56473913. The reversal of 56473880 is 8837465.

It is a happy number.

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, 705884 + ... + 705963.

It is an arithmetic number, because the mean of its divisors is an integer number (7941645).

Almost surely, 2^56473880 is an apocalyptic number.

It is an amenable number.

56473880 is an abundant number, since it is smaller than the sum of its proper divisors (70592440).

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

56473880 is a wasteful number, since it uses less digits than its factorization.

56473880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411858 (or 1411854 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 56473880 is about 7514.9105117759. The cubic root of 56473880 is about 383.6623732275.

The spelling of 56473880 in words is "fifty-six million, four hundred seventy-three thousand, eight hundred eighty".