56299589 has 2 divisors, whose sum is σ = 56299590. Its totient is φ = 56299588.

The previous prime is 56299577. The next prime is 56299609. The reversal of 56299589 is 98599265.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40538689 + 15760900 = 6367^2 + 3970^2 .

It is a cyclic number.

It is not a de Polignac number, because 56299589 - 2¹² = 56295493 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56299589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56299549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28149794 + 28149795.

It is an arithmetic number, because the mean of its divisors is an integer number (28149795).

Almost surely, 2^56299589 is an apocalyptic number.

It is an amenable number.

56299589 is a deficient number, since it is larger than the sum of its proper divisors (1).

56299589 is an equidigital number, since it uses as much as digits as its factorization.

56299589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 53.

The square root of 56299589 is about 7503.3052050413. The cubic root of 56299589 is about 383.2672772547.

The spelling of 56299589 in words is "fifty-six million, two hundred ninety-nine thousand, five hundred eighty-nine".