50722906 has 8 divisors (see below), whose sum is σ = 81937044. Its totient is φ = 23410560.

The previous prime is 50722901. The next prime is 50722921. The reversal of 50722906 is 60922705.

50722906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48427681 + 2295225 = 6959^2 + 1515^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (50722901) 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 3 ways as a sum of consecutive naturals, for example, 975415 + ... + 975466.

Almost surely, 2^50722906 is an apocalyptic number.

50722906 is a deficient number, since it is larger than the sum of its proper divisors (31214138).

50722906 is a wasteful number, since it uses less digits than its factorization.

50722906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950896.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 50722906 is about 7122.0015445098. The cubic root of 50722906 is about 370.1701335905.

The spelling of 50722906 in words is "fifty million, seven hundred twenty-two thousand, nine hundred six".