-50 is an even number.
-50 is a Harshad number, which means it is divisible by the sum of its digits (5 + 0 = 5, and -50 is divisible by 5).
In binary, -50 is represented as 1111111111111111111111111111111111111111111111111111111111001110.
In hex, -50 is represented as ffffffffffffffce.