56320643 has 8 divisors (see below), whose sum is σ = 59819760. Its totient is φ = 52842240.

The previous prime is 56320631. The next prime is 56320651. The reversal of 56320643 is 34602365.

56320643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56320643 - 2⁸ = 56320387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56320603) 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 7 ways as a sum of consecutive naturals, for example, 623 + ... + 10631.

It is an arithmetic number, because the mean of its divisors is an integer number (7477470).

Almost surely, 2^56320643 is an apocalyptic number.

56320643 is a deficient number, since it is larger than the sum of its proper divisors (3499117).

56320643 is a wasteful number, since it uses less digits than its factorization.

56320643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10357.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 56320643 is about 7504.7080556142. The cubic root of 56320643 is about 383.3150473109.

The spelling of 56320643 in words is "fifty-six million, three hundred twenty thousand, six hundred forty-three".