50568686717 has 4 divisors (see below), whose sum is σ = 50578347996. Its totient is φ = 50559025440.

The previous prime is 50568686711. The next prime is 50568686741. The reversal of 50568686717 is 71768686505.

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 40866239716 + 9702447001 = 202154^2 + 98501^2 .

It is a cyclic number.

It is not a de Polignac number, because 50568686717 - 2¹⁴ = 50568670333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50568686711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4822784 + ... + 4833257.

It is an arithmetic number, because the mean of its divisors is an integer number (12644586999).

Almost surely, 2^50568686717 is an apocalyptic number.

It is an amenable number.

50568686717 is a deficient number, since it is larger than the sum of its proper divisors (9661279).

50568686717 is an equidigital number, since it uses as much as digits as its factorization.

50568686717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9661278.

The product of its (nonzero) digits is 16934400, while the sum is 59.

The spelling of 50568686717 in words is "fifty billion, five hundred sixty-eight million, six hundred eighty-six thousand, seven hundred seventeen".