50418 has 12 divisors (see below), whose sum is σ = 109278. Its totient is φ = 16800.

The previous prime is 50417. The next prime is 50423. The reversal of 50418 is 81405.

50418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42849 + 7569 = 207^2 + 87^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2801 = 50418 / (5 + 0 + 4 + 1 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 50418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1383 + ... + 1418.

2⁵⁰⁴¹⁸ is an apocalyptic number.

50418 is an abundant number, since it is smaller than the sum of its proper divisors (58860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50418 is a wasteful number, since it uses less digits than its factorization.

50418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 50418 is about 224.5395288140. The cubic root of 50418 is about 36.9426919016.

The spelling of 50418 in words is "fifty thousand, four hundred eighteen".