56359758617 has 2 divisors, whose sum is σ = 56359758618. Its totient is φ = 56359758616.

The previous prime is 56359758557. The next prime is 56359758643. The reversal of 56359758617 is 71685795365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54019521241 + 2340237376 = 232421^2 + 48376^2 .

It is a cyclic number.

It is not a de Polignac number, because 56359758617 - 2¹⁴ = 56359742233 is a prime.

It is a super-3 number, since 3×56359758617³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56359758617.

It is not a weakly prime, because it can be changed into another prime (56359758517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28179879308 + 28179879309.

It is an arithmetic number, because the mean of its divisors is an integer number (28179879309).

Almost surely, 2^56359758617 is an apocalyptic number.

It is an amenable number.

56359758617 is a deficient number, since it is larger than the sum of its proper divisors (1).

56359758617 is an equidigital number, since it uses as much as digits as its factorization.

56359758617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628000, while the sum is 62.

The spelling of 56359758617 in words is "fifty-six billion, three hundred fifty-nine million, seven hundred fifty-eight thousand, six hundred seventeen".