50511500165 has 16 divisors (see below), whose sum is σ = 69920330112. Its totient is φ = 34312749504.

The previous prime is 50511500159. The next prime is 50511500203. The reversal of 50511500165 is 56100511505.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 50511500165 - 2¹⁶ = 50511434629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6740114 + ... + 6747603.

It is an arithmetic number, because the mean of its divisors is an integer number (4370020632).

Almost surely, 2^50511500165 is an apocalyptic number.

It is an amenable number.

50511500165 is a deficient number, since it is larger than the sum of its proper divisors (19408829947).

50511500165 is a wasteful number, since it uses less digits than its factorization.

50511500165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13487836.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 50511500165 in words is "fifty billion, five hundred eleven million, five hundred thousand, one hundred sixty-five".