56605119953 has 2 divisors, whose sum is σ = 56605119954. Its totient is φ = 56605119952.

The previous prime is 56605119947. The next prime is 56605120067. The reversal of 56605119953 is 35991150665.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45715571344 + 10889548609 = 213812^2 + 104353^2 .

It is a cyclic number.

It is not a de Polignac number, because 56605119953 - 2⁴ = 56605119937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56605119253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28302559976 + 28302559977.

It is an arithmetic number, because the mean of its divisors is an integer number (28302559977).

Almost surely, 2^56605119953 is an apocalyptic number.

It is an amenable number.

56605119953 is a deficient number, since it is larger than the sum of its proper divisors (1).

56605119953 is an equidigital number, since it uses as much as digits as its factorization.

56605119953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1093500, while the sum is 50.

The spelling of 56605119953 in words is "fifty-six billion, six hundred five million, one hundred nineteen thousand, nine hundred fifty-three".