50312105665 has 32 divisors (see below), whose sum is σ = 63732842496. Its totient is φ = 38053202880.

The previous prime is 50312105647. The next prime is 50312105707. The reversal of 50312105665 is 56650121305.

It is not a de Polignac number, because 50312105665 - 2¹⁵ = 50312072897 is a prime.

It is a super-2 number, since 2×50312105665² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50312105665.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5692800 + ... + 5701630.

It is an arithmetic number, because the mean of its divisors is an integer number (1991651328).

Almost surely, 2^50312105665 is an apocalyptic number.

It is an amenable number.

50312105665 is a deficient number, since it is larger than the sum of its proper divisors (13420736831).

50312105665 is a wasteful number, since it uses less digits than its factorization.

50312105665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9429.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 50312105665 in words is "fifty billion, three hundred twelve million, one hundred five thousand, six hundred sixty-five".