50220320 has 48 divisors (see below), whose sum is σ = 119174328. Its totient is φ = 19998720.

The previous prime is 50220311. The next prime is 50220323. The reversal of 50220320 is 2302205.

50220320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 31315216 + 18905104 = 5596^2 + 4348^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50220295 and 50220304.

It is not an unprimeable number, because it can be changed into a prime (50220323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44402 + ... + 45518.

Almost surely, 2^50220320 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 50220320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59587164).

50220320 is an abundant number, since it is smaller than the sum of its proper divisors (68954008).

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

50220320 is a wasteful number, since it uses less digits than its factorization.

50220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 50220320 is about 7086.6296643750. The cubic root of 50220320 is about 368.9434675673.

Adding to 50220320 its reverse (2302205), we get a palindrome (52522525).

The spelling of 50220320 in words is "fifty million, two hundred twenty thousand, three hundred twenty".