50125031209 has 8 divisors (see below), whose sum is σ = 57059324352. Its totient is φ = 43586983440.

The previous prime is 50125031191. The next prime is 50125031213. The reversal of 50125031209 is 90213052105.

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

It is not a de Polignac number, because 50125031209 - 2³¹ = 47977547561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50125031809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99061074 + ... + 99061579.

It is an arithmetic number, because the mean of its divisors is an integer number (7132415544).

Almost surely, 2^50125031209 is an apocalyptic number.

It is an amenable number.

50125031209 is a deficient number, since it is larger than the sum of its proper divisors (6934293143).

50125031209 is a wasteful number, since it uses less digits than its factorization.

50125031209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198122687.

The product of its (nonzero) digits is 2700, while the sum is 28.

The spelling of 50125031209 in words is "fifty billion, one hundred twenty-five million, thirty-one thousand, two hundred nine".