56002789 has 2 divisors, whose sum is σ = 56002790. Its totient is φ = 56002788.

The previous prime is 56002781. The next prime is 56002831. The reversal of 56002789 is 98720065.

56002789 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., 43164900 + 12837889 = 6570^2 + 3583^2 .

It is a cyclic number.

It is not a de Polignac number, because 56002789 - 2³ = 56002781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56002781) 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, 28001394 + 28001395.

It is an arithmetic number, because the mean of its divisors is an integer number (28001395).

Almost surely, 2^56002789 is an apocalyptic number.

It is an amenable number.

56002789 is a deficient number, since it is larger than the sum of its proper divisors (1).

56002789 is an equidigital number, since it uses as much as digits as its factorization.

56002789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 56002789 is about 7483.5011191287. The cubic root of 56002789 is about 382.5925878360.

The spelling of 56002789 in words is "fifty-six million, two thousand, seven hundred eighty-nine".