56871328 has 24 divisors (see below), whose sum is σ = 112623588. Its totient is φ = 28268544.

The previous prime is 56871317. The next prime is 56871359. The reversal of 56871328 is 82317865.

It can be written as a sum of positive squares in 2 ways, for example, as 56370064 + 501264 = 7508^2 + 708^2 .

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, 400 + ... + 10672.

Almost surely, 2^56871328 is an apocalyptic number.

It is an amenable number.

56871328 is a deficient number, since it is larger than the sum of its proper divisors (55752260).

56871328 is a wasteful number, since it uses less digits than its factorization.

56871328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10456 (or 10448 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 56871328 is about 7541.3081093402. The cubic root of 56871328 is about 384.5603076169.

The spelling of 56871328 in words is "fifty-six million, eight hundred seventy-one thousand, three hundred twenty-eight".