56278432 has 48 divisors (see below), whose sum is σ = 134084160. Its totient is φ = 22699008.

The previous prime is 56278429. The next prime is 56278441. The reversal of 56278432 is 23487265.

It is a junction number, because it is equal to n+sod(n) for n = 56278391 and 56278400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3582 + ... + 11197.

It is an arithmetic number, because the mean of its divisors is an integer number (2793420).

Almost surely, 2^56278432 is an apocalyptic number.

It is an amenable number.

56278432 is an abundant number, since it is smaller than the sum of its proper divisors (77805728).

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

56278432 is a wasteful number, since it uses less digits than its factorization.

56278432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14813 (or 14805 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 56278432 is about 7501.8952272076. The cubic root of 56278432 is about 383.2192615002.

The spelling of 56278432 in words is "fifty-six million, two hundred seventy-eight thousand, four hundred thirty-two".