50721022 has 24 divisors (see below), whose sum is σ = 86337216. Its totient is φ = 22308000.

The previous prime is 50721019. The next prime is 50721023. The reversal of 50721022 is 22012705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50721023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4122 + ... + 10882.

It is an arithmetic number, because the mean of its divisors is an integer number (3597384).

Almost surely, 2^50721022 is an apocalyptic number.

50721022 is a deficient number, since it is larger than the sum of its proper divisors (35616194).

50721022 is a wasteful number, since it uses less digits than its factorization.

50721022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816 (or 6805 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 50721022 is about 7121.8692770929. The cubic root of 50721022 is about 370.1655504596.

Adding to 50721022 its reverse (22012705), we get a palindrome (72733727).

The spelling of 50721022 in words is "fifty million, seven hundred twenty-one thousand, twenty-two".