56800881 has 12 divisors (see below), whose sum is σ = 82799860. Its totient is φ = 37519200.

The previous prime is 56800853. The next prime is 56800889. The reversal of 56800881 is 18800865.

It can be written as a sum of positive squares in 2 ways, for example, as 25160256 + 31640625 = 5016^2 + 5625^2 .

It is not a de Polignac number, because 56800881 - 2⁷ = 56800753 is a prime.

It is a super-2 number, since 2×56800881² = 6452680164752322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56800889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27970 + ... + 29931.

Almost surely, 2^56800881 is an apocalyptic number.

It is an amenable number.

56800881 is a deficient number, since it is larger than the sum of its proper divisors (25998979).

56800881 is a wasteful number, since it uses less digits than its factorization.

56800881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58016 (or 58013 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 56800881 is about 7536.6359206213. The cubic root of 56800881 is about 384.4014559621.

The spelling of 56800881 in words is "fifty-six million, eight hundred thousand, eight hundred eighty-one".