50017 has 4 divisors (see below), whose sum is σ = 54576. Its totient is φ = 45460.

The previous prime is 49999. The next prime is 50021. The reversal of 50017 is 71005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50017 - 2¹¹ = 47969 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 49979 and 50006.

It is not an unprimeable number, because it can be changed into a prime (50047) 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 3 ways as a sum of consecutive naturals, for example, 2263 + ... + 2284.

It is an arithmetic number, because the mean of its divisors is an integer number (13644).

2⁵⁰⁰¹⁷ is an apocalyptic number.

It is an amenable number.

50017 is a deficient number, since it is larger than the sum of its proper divisors (4559).

50017 is a wasteful number, since it uses less digits than its factorization.

50017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558.

The product of its (nonzero) digits is 35, while the sum is 13.

The square root of 50017 is about 223.6448076750. The cubic root of 50017 is about 36.8444897490.

The spelling of 50017 in words is "fifty thousand, seventeen".