50122209 has 16 divisors (see below), whose sum is σ = 70502400. Its totient is φ = 31586256.

The previous prime is 50122207. The next prime is 50122217. The reversal of 50122209 is 90222105.

It is not a de Polignac number, because 50122209 - 2¹ = 50122207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50122207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40372 + ... + 41594.

It is an arithmetic number, because the mean of its divisors is an integer number (4406400).

Almost surely, 2^50122209 is an apocalyptic number.

It is an amenable number.

50122209 is a deficient number, since it is larger than the sum of its proper divisors (20380191).

50122209 is a wasteful number, since it uses less digits than its factorization.

50122209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 50122209 is about 7079.7040192370. The cubic root of 50122209 is about 368.7030535274.

The spelling of 50122209 in words is "fifty million, one hundred twenty-two thousand, two hundred nine".