56605453285613 has 2 divisors, whose sum is σ = 56605453285614. Its totient is φ = 56605453285612.

The previous prime is 56605453285603. The next prime is 56605453285637. The reversal of 56605453285613 is 31658235450665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49515386138089 + 7090067147524 = 7036717^2 + 2662718^2 .

It is a cyclic number.

It is not a de Polignac number, because 56605453285613 - 2⁸ = 56605453285357 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56605453285603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28302726642806 + 28302726642807.

It is an arithmetic number, because the mean of its divisors is an integer number (28302726642807).

Almost surely, 2^{56605453285613} is an apocalyptic number.

It is an amenable number.

56605453285613 is a deficient number, since it is larger than the sum of its proper divisors (1).

56605453285613 is an equidigital number, since it uses as much as digits as its factorization.

56605453285613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760000, while the sum is 59.

The spelling of 56605453285613 in words is "fifty-six trillion, six hundred five billion, four hundred fifty-three million, two hundred eighty-five thousand, six hundred thirteen".