56288316522917 has 2 divisors, whose sum is σ = 56288316522918. Its totient is φ = 56288316522916.

The previous prime is 56288316522899. The next prime is 56288316522923. The reversal of 56288316522917 is 71922561388265.

It is a Cunningham number, because it is equal to 7502554²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56288316522916 + 1 = 7502554^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 56288316522917 - 2¹⁰ = 56288316521893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56288316522947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28144158261458 + 28144158261459.

It is an arithmetic number, because the mean of its divisors is an integer number (28144158261459).

Almost surely, 2^{56288316522917} is an apocalyptic number.

It is an amenable number.

56288316522917 is a deficient number, since it is larger than the sum of its proper divisors (1).

56288316522917 is an equidigital number, since it uses as much as digits as its factorization.

56288316522917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87091200, while the sum is 65.

The spelling of 56288316522917 in words is "fifty-six trillion, two hundred eighty-eight billion, three hundred sixteen million, five hundred twenty-two thousand, nine hundred seventeen".