50195009 has 8 divisors (see below), whose sum is σ = 51289128. Its totient is φ = 49109760.

The previous prime is 50195003. The next prime is 50195011. The reversal of 50195009 is 90059105.

It can be written as a sum of positive squares in 4 ways, for example, as 19114384 + 31080625 = 4372^2 + 5575^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50195009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50195003) 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, 9929 + ... + 14105.

It is an arithmetic number, because the mean of its divisors is an integer number (6411141).

Almost surely, 2^50195009 is an apocalyptic number.

It is an amenable number.

50195009 is a deficient number, since it is larger than the sum of its proper divisors (1094119).

50195009 is a wasteful number, since it uses less digits than its factorization.

50195009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435.

The product of its (nonzero) digits is 2025, while the sum is 29.

The square root of 50195009 is about 7084.8436115415. The cubic root of 50195009 is about 368.8814747499.

The spelling of 50195009 in words is "fifty million, one hundred ninety-five thousand, nine".