56788040317 has 2 divisors, whose sum is σ = 56788040318. Its totient is φ = 56788040316.

The previous prime is 56788040279. The next prime is 56788040329. The reversal of 56788040317 is 71304088765.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47913269881 + 8874770436 = 218891^2 + 94206^2 .

It is a cyclic number.

It is not a de Polignac number, because 56788040317 - 2¹¹ = 56788038269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56788040347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28394020158 + 28394020159.

It is an arithmetic number, because the mean of its divisors is an integer number (28394020159).

Almost surely, 2^56788040317 is an apocalyptic number.

It is an amenable number.

56788040317 is a deficient number, since it is larger than the sum of its proper divisors (1).

56788040317 is an equidigital number, since it uses as much as digits as its factorization.

56788040317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 56788040317 in words is "fifty-six billion, seven hundred eighty-eight million, forty thousand, three hundred seventeen".