50721422 has 12 divisors (see below), whose sum is σ = 77154840. Its totient is φ = 25008048.

The previous prime is 50721409. The next prime is 50721443. The reversal of 50721422 is 22412705.

It is a happy number.

50721422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 8279 + ... + 13037.

It is an arithmetic number, because the mean of its divisors is an integer number (6429570).

Almost surely, 2^50721422 is an apocalyptic number.

50721422 is a deficient number, since it is larger than the sum of its proper divisors (26433418).

50721422 is an equidigital number, since it uses as much as digits as its factorization.

50721422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907 (or 4834 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 50721422 is about 7121.8973595524. The cubic root of 50721422 is about 370.1665235330.

The spelling of 50721422 in words is "fifty million, seven hundred twenty-one thousand, four hundred twenty-two".