50501223165 has 128 divisors (see below), whose sum is σ = 89234472960. Its totient is φ = 24309331200.

The previous prime is 50501223163. The next prime is 50501223203. The reversal of 50501223165 is 56132210505.

It is a happy number.

It is not a de Polignac number, because 50501223165 - 2¹ = 50501223163 is a prime.

It is a super-2 number, since 2×50501223165² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50501223163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 102853570 + ... + 102854060.

It is an arithmetic number, because the mean of its divisors is an integer number (697144320).

Almost surely, 2^50501223165 is an apocalyptic number.

It is an amenable number.

50501223165 is a deficient number, since it is larger than the sum of its proper divisors (38733249795).

50501223165 is a wasteful number, since it uses less digits than its factorization.

50501223165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 50501223165 in words is "fifty billion, five hundred one million, two hundred twenty-three thousand, one hundred sixty-five".