50917 has 4 divisors (see below), whose sum is σ = 51840. Its totient is φ = 49996.

The previous prime is 50909. The next prime is 50923. The reversal of 50917 is 71905.

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 50917 - 2³ = 50909 is a prime.

It is a super-3 number, since 3×50917³ = 396013213335639, which contains 333 as substring.

It is a Duffinian number.

50917 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373 + ... + 490.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

2⁵⁰⁹¹⁷ is an apocalyptic number.

It is an amenable number.

50917 is a deficient number, since it is larger than the sum of its proper divisors (923).

50917 is an equidigital number, since it uses as much as digits as its factorization.

50917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 50917 is about 225.6479558959. The cubic root of 50917 is about 37.0641691438.

The spelling of 50917 in words is "fifty thousand, nine hundred seventeen".