56856480193 has 2 divisors, whose sum is σ = 56856480194. Its totient is φ = 56856480192.

The previous prime is 56856480103. The next prime is 56856480203. The reversal of 56856480193 is 39108465865.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33267206449 + 23589273744 = 182393^2 + 153588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56856480193 is a prime.

It is not a weakly prime, because it can be changed into another prime (56856480103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28428240096 + 28428240097.

It is an arithmetic number, because the mean of its divisors is an integer number (28428240097).

Almost surely, 2^56856480193 is an apocalyptic number.

It is an amenable number.

56856480193 is a deficient number, since it is larger than the sum of its proper divisors (1).

56856480193 is an equidigital number, since it uses as much as digits as its factorization.

56856480193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 56856480193 in words is "fifty-six billion, eight hundred fifty-six million, four hundred eighty thousand, one hundred ninety-three".