56478624 has 48 divisors (see below), whose sum is σ = 156981888. Its totient is φ = 17718272.

The previous prime is 56478563. The next prime is 56478629. The reversal of 56478624 is 42687465.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (56478629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15672 + ... + 18935.

It is an arithmetic number, because the mean of its divisors is an integer number (3270456).

Almost surely, 2^56478624 is an apocalyptic number.

It is an amenable number.

56478624 is an abundant number, since it is smaller than the sum of its proper divisors (100503264).

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

56478624 is a wasteful number, since it uses less digits than its factorization.

56478624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34637 (or 34629 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 56478624 is about 7515.2261443020. The cubic root of 56478624 is about 383.6731159126.

The spelling of 56478624 in words is "fifty-six million, four hundred seventy-eight thousand, six hundred twenty-four".