50220 has 60 divisors (see below), whose sum is σ = 162624. Its totient is φ = 12960.

The previous prime is 50207. The next prime is 50221. The reversal of 50220 is 2205.

50220 = 14² + 15² + ... + 53².

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (50221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1605 + ... + 1635.

2⁵⁰²²⁰ 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 50220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81312).

50220 is an abundant number, since it is smaller than the sum of its proper divisors (112404).

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

50220 is a wasteful number, since it uses less digits than its factorization.

50220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 9.

The square root of 50220 is about 224.0981927638. The cubic root of 50220 is about 36.8942683939.

Adding to 50220 its reverse (2205), we get a palindrome (52425).

The spelling of 50220 in words is "fifty thousand, two hundred twenty".