50508612665 has 16 divisors (see below), whose sum is σ = 72914689920. Its totient is φ = 32811609600.

The previous prime is 50508612631. The next prime is 50508612677. The reversal of 50508612665 is 56621680505.

It is not a de Polignac number, because 50508612665 - 2⁶ = 50508612601 is a prime.

It is a super-2 number, since 2×50508612665² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37975736 + ... + 37977065.

It is an arithmetic number, because the mean of its divisors is an integer number (4557168120).

Almost surely, 2^50508612665 is an apocalyptic number.

It is an amenable number.

50508612665 is a deficient number, since it is larger than the sum of its proper divisors (22406077255).

50508612665 is a wasteful number, since it uses less digits than its factorization.

50508612665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75952832.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 50508612665 in words is "fifty billion, five hundred eight million, six hundred twelve thousand, six hundred sixty-five".