56368709 has 2 divisors, whose sum is σ = 56368710. Its totient is φ = 56368708.

The previous prime is 56368691. The next prime is 56368729. The reversal of 56368709 is 90786365.

56368709 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., 36566209 + 19802500 = 6047^2 + 4450^2 .

It is a cyclic number.

It is not a de Polignac number, because 56368709 - 2¹² = 56364613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56368709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56368729) 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, 28184354 + 28184355.

It is an arithmetic number, because the mean of its divisors is an integer number (28184355).

Almost surely, 2^56368709 is an apocalyptic number.

It is an amenable number.

56368709 is a deficient number, since it is larger than the sum of its proper divisors (1).

56368709 is an equidigital number, since it uses as much as digits as its factorization.

56368709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 56368709 is about 7507.9097623773. The cubic root of 56368709 is about 383.4240611124.

The spelling of 56368709 in words is "fifty-six million, three hundred sixty-eight thousand, seven hundred nine".