56800643 has 4 divisors (see below), whose sum is σ = 57578808. Its totient is φ = 56022480.

The previous prime is 56800637. The next prime is 56800669. The reversal of 56800643 is 34600865.

56800643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56800643 - 2¹² = 56796547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56800603) 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 3 ways as a sum of consecutive naturals, for example, 388973 + ... + 389118.

It is an arithmetic number, because the mean of its divisors is an integer number (14394702).

Almost surely, 2^56800643 is an apocalyptic number.

56800643 is a deficient number, since it is larger than the sum of its proper divisors (778165).

56800643 is an equidigital number, since it uses as much as digits as its factorization.

56800643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778164.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 56800643 is about 7536.6201310667. The cubic root of 56800643 is about 384.4009190709.

The spelling of 56800643 in words is "fifty-six million, eight hundred thousand, six hundred forty-three".