50518 has 16 divisors (see below), whose sum is σ = 85680. Its totient is φ = 22176.

The previous prime is 50513. The next prime is 50527. The reversal of 50518 is 81505.

50518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 50495 and 50504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721 + ... + 787.

It is an arithmetic number, because the mean of its divisors is an integer number (5355).

2⁵⁰⁵¹⁸ is an apocalyptic number.

50518 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

50518 is a deficient number, since it is larger than the sum of its proper divisors (35162).

50518 is a wasteful number, since it uses less digits than its factorization.

50518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 50518 is about 224.7620964487. The cubic root of 50518 is about 36.9671000459.

The spelling of 50518 in words is "fifty thousand, five hundred eighteen".