56800866 has 24 divisors (see below), whose sum is σ = 117396432. Its totient is φ = 18321000.

The previous prime is 56800853. The next prime is 56800889. The reversal of 56800866 is 66800865.

56800866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 841 + ... + 10691.

It is an arithmetic number, because the mean of its divisors is an integer number (4891518).

Almost surely, 2^56800866 is an apocalyptic number.

56800866 is an abundant number, since it is smaller than the sum of its proper divisors (60595566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56800866 is a wasteful number, since it uses less digits than its factorization.

56800866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9918 (or 9887 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 56800866 is about 7536.6349254823. The cubic root of 56800866 is about 384.4014221245.

Subtracting 56800866 from its reverse (66800865), we obtain a palindrome (9999999).

The spelling of 56800866 in words is "fifty-six million, eight hundred thousand, eight hundred sixty-six".