51560602020017 has 4 divisors (see below), whose sum is σ = 51653170426356. Its totient is φ = 51468033613680.

The previous prime is 51560602020007. The next prime is 51560602020019. The reversal of 51560602020017 is 71002020606515.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5862785699761 + 45697816320256 = 2421319^2 + 6760016^2 .

It is a cyclic number.

It is not a de Polignac number, because 51560602020017 - 2¹² = 51560602015921 is a prime.

It is a super-2 number, since 2×51560602020017² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51560602020019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46284202334 + ... + 46284203447.

It is an arithmetic number, because the mean of its divisors is an integer number (12913292606589).

Almost surely, 2^{51560602020017} is an apocalyptic number.

It is an amenable number.

51560602020017 is a deficient number, since it is larger than the sum of its proper divisors (92568406339).

51560602020017 is an equidigital number, since it uses as much as digits as its factorization.

51560602020017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92568406338.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 51560602020017 in words is "fifty-one trillion, five hundred sixty billion, six hundred two million, twenty thousand, seventeen".