50705538569 has 8 divisors (see below), whose sum is σ = 57961967808. Its totient is φ = 43452304560.

The previous prime is 50705538551. The next prime is 50705538581. The reversal of 50705538569 is 96583550705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50705538569 - 2²⁰ = 50704489993 is a prime.

It is a super-2 number, since 2×50705538569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50705538569.

It is not an unprimeable number, because it can be changed into a prime (50705538509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764702 + ... + 828359.

It is an arithmetic number, because the mean of its divisors is an integer number (7245245976).

Almost surely, 2^50705538569 is an apocalyptic number.

It is an amenable number.

50705538569 is a deficient number, since it is larger than the sum of its proper divisors (7256429239).

50705538569 is a wasteful number, since it uses less digits than its factorization.

50705538569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597615.

The product of its (nonzero) digits is 5670000, while the sum is 53.

The spelling of 50705538569 in words is "fifty billion, seven hundred five million, five hundred thirty-eight thousand, five hundred sixty-nine".