50424220 has 96 divisors (see below), whose sum is σ = 133539840. Its totient is φ = 15536640.

The previous prime is 50424181. The next prime is 50424221. The reversal of 50424220 is 2242405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50424221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210861 + ... + 211099.

It is an arithmetic number, because the mean of its divisors is an integer number (1391040).

Almost surely, 2^50424220 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 50424220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66769920).

50424220 is an abundant number, since it is smaller than the sum of its proper divisors (83115620).

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

50424220 is a wasteful number, since it uses less digits than its factorization.

50424220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 50424220 is about 7101.0013378396. The cubic root of 50424220 is about 369.4421102903.

Subtracting from 50424220 its sum of digits (19), we obtain a square (50424201 = 7101²).

Adding to 50424220 its reverse (2242405), we get a palindrome (52666625).

The spelling of 50424220 in words is "fifty million, four hundred twenty-four thousand, two hundred twenty".