56100165577 has 2 divisors, whose sum is σ = 56100165578. Its totient is φ = 56100165576.

The previous prime is 56100165557. The next prime is 56100165613. The reversal of 56100165577 is 77556100165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55807447696 + 292717881 = 236236^2 + 17109^2 .

It is a cyclic number.

It is not a de Polignac number, because 56100165577 - 2¹¹ = 56100163529 is a prime.

It is not a weakly prime, because it can be changed into another prime (56100165557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28050082788 + 28050082789.

It is an arithmetic number, because the mean of its divisors is an integer number (28050082789).

Almost surely, 2^56100165577 is an apocalyptic number.

It is an amenable number.

56100165577 is a deficient number, since it is larger than the sum of its proper divisors (1).

56100165577 is an equidigital number, since it uses as much as digits as its factorization.

56100165577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 220500, while the sum is 43.

The spelling of 56100165577 in words is "fifty-six billion, one hundred million, one hundred sixty-five thousand, five hundred seventy-seven".