56473878 has 64 divisors (see below), whose sum is σ = 124895232. Its totient is φ = 16964640.

The previous prime is 56473799. The next prime is 56473913. The reversal of 56473878 is 87837465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183801 + ... + 184107.

It is an arithmetic number, because the mean of its divisors is an integer number (1951488).

Almost surely, 2^56473878 is an apocalyptic number.

56473878 is an abundant number, since it is smaller than the sum of its proper divisors (68421354).

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

56473878 is a wasteful number, since it uses less digits than its factorization.

56473878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409.

The product of its digits is 1128960, while the sum is 48.

The square root of 56473878 is about 7514.9103787071. The cubic root of 56473878 is about 383.6623686984.

The spelling of 56473878 in words is "fifty-six million, four hundred seventy-three thousand, eight hundred seventy-eight".