50722272 has 72 divisors (see below), whose sum is σ = 147007224. Its totient is φ = 16583424.

The previous prime is 50722261. The next prime is 50722277. The reversal of 50722272 is 27222705.

It is a happy number.

50722272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50722277) 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 11 ways as a sum of consecutive naturals, for example, 13603 + ... + 16925.

It is an arithmetic number, because the mean of its divisors is an integer number (2041767).

Almost surely, 2^50722272 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 50722272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73503612).

50722272 is an abundant number, since it is smaller than the sum of its proper divisors (96284952).

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

50722272 is a wasteful number, since it uses less digits than its factorization.

50722272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392 (or 3381 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 50722272 is about 7121.9570344113. The cubic root of 50722272 is about 370.1685912969.

Adding to 50722272 its reverse (27222705), we get a palindrome (77944977).

The spelling of 50722272 in words is "fifty million, seven hundred twenty-two thousand, two hundred seventy-two".