50317909 has 8 divisors (see below), whose sum is σ = 56082240. Its totient is φ = 44865216.

The previous prime is 50317907. The next prime is 50317919. The reversal of 50317909 is 90971305.

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

It is a cyclic number.

It is not a de Polignac number, because 50317909 - 2¹ = 50317907 is a prime.

It is a super-2 number, since 2×50317909² = 5063783932264562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50317901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77569 + ... + 78214.

It is an arithmetic number, because the mean of its divisors is an integer number (7010280).

Almost surely, 2^50317909 is an apocalyptic number.

It is an amenable number.

50317909 is a deficient number, since it is larger than the sum of its proper divisors (5764331).

50317909 is a wasteful number, since it uses less digits than its factorization.

50317909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155819.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 50317909 is about 7093.5117537085. The cubic root of 50317909 is about 369.1822920609.

The spelling of 50317909 in words is "fifty million, three hundred seventeen thousand, nine hundred nine".