56478672 has 30 divisors (see below), whose sum is σ = 158062242. Its totient is φ = 18826176.

The previous prime is 56478649. The next prime is 56478673. The reversal of 56478672 is 27687465.

56478672 is a `hidden beast` number, since 564 + 7 + 86 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 55711296 + 767376 = 7464^2 + 876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56478673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195963 + ... + 196250.

Almost surely, 2^56478672 is an apocalyptic number.

It is an amenable number.

56478672 is an abundant number, since it is smaller than the sum of its proper divisors (101583570).

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

56478672 is a wasteful number, since it uses less digits than its factorization.

56478672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392227 (or 392218 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 56478672 is about 7515.2293378180. The cubic root of 56478672 is about 383.6732246045.

The spelling of 56478672 in words is "fifty-six million, four hundred seventy-eight thousand, six hundred seventy-two".