56928589 has 2 divisors, whose sum is σ = 56928590. Its totient is φ = 56928588.

The previous prime is 56928587. The next prime is 56928637. The reversal of 56928589 is 98582965.

56928589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30580900 + 26347689 = 5530^2 + 5133^2 .

It is a cyclic number.

It is not a de Polignac number, because 56928589 - 2¹ = 56928587 is a prime.

Together with 56928587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56928587) 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 as a sum of consecutive naturals, namely, 28464294 + 28464295.

It is an arithmetic number, because the mean of its divisors is an integer number (28464295).

Almost surely, 2^56928589 is an apocalyptic number.

It is an amenable number.

56928589 is a deficient number, since it is larger than the sum of its proper divisors (1).

56928589 is an equidigital number, since it uses as much as digits as its factorization.

56928589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 52.

The square root of 56928589 is about 7545.1036440860. The cubic root of 56928589 is about 384.6893294063.

The spelling of 56928589 in words is "fifty-six million, nine hundred twenty-eight thousand, five hundred eighty-nine".