50165939 has 4 divisors (see below), whose sum is σ = 50285520. Its totient is φ = 50046360.

The previous prime is 50165933. The next prime is 50165953. The reversal of 50165939 is 93956105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93956105 = 5 ⋅18791221.

It is a cyclic number.

It is not a de Polignac number, because 50165939 - 2⁴ = 50165923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50165933) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 59159 + ... + 60000.

It is an arithmetic number, because the mean of its divisors is an integer number (12571380).

Almost surely, 2^50165939 is an apocalyptic number.

50165939 is a deficient number, since it is larger than the sum of its proper divisors (119581).

50165939 is a wasteful number, since it uses less digits than its factorization.

50165939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119580.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 50165939 is about 7082.7917518447. The cubic root of 50165939 is about 368.8102495061.

The spelling of 50165939 in words is "fifty million, one hundred sixty-five thousand, nine hundred thirty-nine".