56610175997 has 2 divisors, whose sum is σ = 56610175998. Its totient is φ = 56610175996.

The previous prime is 56610175969. The next prime is 56610176027. The reversal of 56610175997 is 79957101665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49086174916 + 7524001081 = 221554^2 + 86741^2 .

It is a cyclic number.

It is not a de Polignac number, because 56610175997 - 2¹⁶ = 56610110461 is a prime.

It is a super-2 number, since 2×56610175997² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56610174997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28305087998 + 28305087999.

It is an arithmetic number, because the mean of its divisors is an integer number (28305087999).

Almost surely, 2^56610175997 is an apocalyptic number.

It is an amenable number.

56610175997 is a deficient number, since it is larger than the sum of its proper divisors (1).

56610175997 is an equidigital number, since it uses as much as digits as its factorization.

56610175997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3572100, while the sum is 56.

The spelling of 56610175997 in words is "fifty-six billion, six hundred ten million, one hundred seventy-five thousand, nine hundred ninety-seven".