56781376 has 28 divisors (see below), whose sum is σ = 113387632. Its totient is φ = 28211328.

The previous prime is 56781359. The next prime is 56781383. The reversal of 56781376 is 67318765.

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, 7711 + ... + 13153.

Almost surely, 2^56781376 is an apocalyptic number.

It is an amenable number.

56781376 is a deficient number, since it is larger than the sum of its proper divisors (56606256).

56781376 is a wasteful number, since it uses less digits than its factorization.

56781376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618 (or 5608 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 56781376 is about 7535.3417971582. The cubic root of 56781376 is about 384.3574507245.

The spelling of 56781376 in words is "fifty-six million, seven hundred eighty-one thousand, three hundred seventy-six".