50689290165 has 16 divisors (see below), whose sum is σ = 81106109376. Its totient is φ = 27033206400.

The previous prime is 50689290161. The next prime is 50689290199. The reversal of 50689290165 is 56109298605.

It is not a de Polignac number, because 50689290165 - 2² = 50689290161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50689290161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445305 + ... + 547425.

It is an arithmetic number, because the mean of its divisors is an integer number (5069131836).

Almost surely, 2^50689290165 is an apocalyptic number.

It is an amenable number.

50689290165 is a deficient number, since it is larger than the sum of its proper divisors (30416819211).

50689290165 is a wasteful number, since it uses less digits than its factorization.

50689290165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135220.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 50689290165 in words is "fifty billion, six hundred eighty-nine million, two hundred ninety thousand, one hundred sixty-five".