50505220 has 24 divisors (see below), whose sum is σ = 108529344. Its totient is φ = 19731936.

The previous prime is 50505199. The next prime is 50505227. The reversal of 50505220 is 2250505.

It is not an unprimeable number, because it can be changed into a prime (50505227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28504 + ... + 30223.

It is an arithmetic number, because the mean of its divisors is an integer number (4522056).

Almost surely, 2^50505220 is an apocalyptic number.

It is an amenable number.

50505220 is an abundant number, since it is smaller than the sum of its proper divisors (58024124).

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

50505220 is a wasteful number, since it uses less digits than its factorization.

50505220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58779 (or 58777 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 50505220 is about 7106.7024702037. The cubic root of 50505220 is about 369.6398248130.

Adding to 50505220 its reverse (2250505), we get a palindrome (52755725).

The spelling of 50505220 in words is "fifty million, five hundred five thousand, two hundred twenty".