56800581 has 16 divisors (see below), whose sum is σ = 78161664. Its totient is φ = 36670464.

The previous prime is 56800561. The next prime is 56800591. The reversal of 56800581 is 18500865.

56800581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56800581 - 2⁶ = 56800517 is a prime.

It is a super-2 number, since 2×56800581² = 6452612003875122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56800511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11601 + ... + 15753.

It is an arithmetic number, because the mean of its divisors is an integer number (4885104).

Almost surely, 2^56800581 is an apocalyptic number.

It is an amenable number.

56800581 is a deficient number, since it is larger than the sum of its proper divisors (21361083).

56800581 is a wasteful number, since it uses less digits than its factorization.

56800581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 56800581 is about 7536.6160178160. The cubic root of 56800581 is about 384.4007792083.

The spelling of 56800581 in words is "fifty-six million, eight hundred thousand, five hundred eighty-one".