56602553569 has 2 divisors, whose sum is σ = 56602553570. Its totient is φ = 56602553568.

The previous prime is 56602553563. The next prime is 56602553603. The reversal of 56602553569 is 96535520665.

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., 33998934544 + 22603619025 = 184388^2 + 150345^2 .

It is a cyclic number.

It is not a de Polignac number, because 56602553569 - 2³ = 56602553561 is a prime.

It is a super-2 number, since 2×56602553569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56602553561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28301276784 + 28301276785.

It is an arithmetic number, because the mean of its divisors is an integer number (28301276785).

Almost surely, 2^56602553569 is an apocalyptic number.

It is an amenable number.

56602553569 is a deficient number, since it is larger than the sum of its proper divisors (1).

56602553569 is an equidigital number, since it uses as much as digits as its factorization.

56602553569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290000, while the sum is 52.

The spelling of 56602553569 in words is "fifty-six billion, six hundred two million, five hundred fifty-three thousand, five hundred sixty-nine".