50221392 has 120 divisors (see below), whose sum is σ = 144865728. Its totient is φ = 14976000.

The previous prime is 50221387. The next prime is 50221399. The reversal of 50221392 is 29312205.

50221392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50221399) 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 23 ways as a sum of consecutive naturals, for example, 332517 + ... + 332667.

Almost surely, 2^50221392 is an apocalyptic number.

50221392 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50221392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72432864).

50221392 is an abundant number, since it is smaller than the sum of its proper divisors (94644336).

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

50221392 is a wasteful number, since it uses less digits than its factorization.

50221392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 50221392 is about 7086.7052993616. The cubic root of 50221392 is about 368.9460926972.

Adding to 50221392 its reverse (29312205), we get a palindrome (79533597).

The spelling of 50221392 in words is "fifty million, two hundred twenty-one thousand, three hundred ninety-two".