56500156615993 has 2 divisors, whose sum is σ = 56500156615994. Its totient is φ = 56500156615992.

The previous prime is 56500156615933. The next prime is 56500156616017. The reversal of 56500156615993 is 39951665100565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52701037164304 + 3799119451689 = 7259548^2 + 1949133^2 .

It is a cyclic number.

It is not a de Polignac number, because 56500156615993 - 2⁹ = 56500156615481 is a prime.

It is not a weakly prime, because it can be changed into another prime (56500156615913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28250078307996 + 28250078307997.

It is an arithmetic number, because the mean of its divisors is an integer number (28250078307997).

Almost surely, 2^{56500156615993} is an apocalyptic number.

It is an amenable number.

56500156615993 is a deficient number, since it is larger than the sum of its proper divisors (1).

56500156615993 is an equidigital number, since it uses as much as digits as its factorization.

56500156615993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32805000, while the sum is 61.

The spelling of 56500156615993 in words is "fifty-six trillion, five hundred billion, one hundred fifty-six million, six hundred fifteen thousand, nine hundred ninety-three".