50065 has 16 divisors (see below), whose sum is σ = 69120. Its totient is φ = 34560.

The previous prime is 50053. The next prime is 50069. The reversal of 50065 is 56005.

It is a happy number.

It is not a de Polignac number, because 50065 - 2⁵ = 50033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1600 + ... + 1630.

It is an arithmetic number, because the mean of its divisors is an integer number (4320).

2⁵⁰⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

50065 is a deficient number, since it is larger than the sum of its proper divisors (19055).

50065 is a wasteful number, since it uses less digits than its factorization.

50065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 50065 is about 223.7520949623. The cubic root of 50065 is about 36.8562722101.

Multiplying 50065 by its product of nonzero digits (150), we get a triangular number (7509750 = T₃₈₇₅).

It can be divided in two parts, 500 and 65, that added together give a palindrome (565).

The spelling of 50065 in words is "fifty thousand, sixty-five".