50189220 has 144 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 12773376.

The previous prime is 50189177. The next prime is 50189221. The reversal of 50189220 is 2298105.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50189221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111556 + ... + 112004.

It is an arithmetic number, because the mean of its divisors is an integer number (1146600).

Almost surely, 2^50189220 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 50189220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82555200).

50189220 is an abundant number, since it is smaller than the sum of its proper divisors (114921180).

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

50189220 is a wasteful number, since it uses less digits than its factorization.

50189220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 50189220 is about 7084.4350515761. The cubic root of 50189220 is about 368.8672931477.

The spelling of 50189220 in words is "fifty million, one hundred eighty-nine thousand, two hundred twenty".