56072816 has 10 divisors (see below), whose sum is σ = 108641112. Its totient is φ = 28036400.

The previous prime is 56072803. The next prime is 56072837. The reversal of 56072816 is 61827065.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1752260 + ... + 1752291.

Almost surely, 2^56072816 is an apocalyptic number.

It is an amenable number.

56072816 is a deficient number, since it is larger than the sum of its proper divisors (52568296).

56072816 is a wasteful number, since it uses less digits than its factorization.

56072816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504559 (or 3504553 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 56072816 is about 7488.1784166779. The cubic root of 56072816 is about 382.7519885395.

The spelling of 56072816 in words is "fifty-six million, seventy-two thousand, eight hundred sixteen".