It is a self number, because there is not a number n which added to its sum of digits gives 50820.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 50820.
50820 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
250820 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50820 is a wasteful number, since it uses less digits than its factorization.
50820 is an evil number, because the sum of its binary digits is even.
The square root of 50820 is about 225.4329168511. The cubic root of 50820 is about 37.0406176785.
Subtracting from 50820 its sum of digits (15), we obtain a palindrome (50805).
The spelling of 50820 in words is "fifty thousand, eight hundred twenty".