50117931 has 12 divisors (see below), whose sum is σ = 73385208. Its totient is φ = 32953824.

The previous prime is 50117929. The next prime is 50117939. The reversal of 50117931 is 13971105.

It is a happy number.

It is not a de Polignac number, because 50117931 - 2¹ = 50117929 is a prime.

It is a super-2 number, since 2×50117931² = 5023614015441522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50117895 and 50117904.

It is not an unprimeable number, because it can be changed into a prime (50117939) 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 11 ways as a sum of consecutive naturals, for example, 37485 + ... + 38798.

It is an arithmetic number, because the mean of its divisors is an integer number (6115434).

Almost surely, 2^50117931 is an apocalyptic number.

50117931 is a deficient number, since it is larger than the sum of its proper divisors (23267277).

50117931 is a wasteful number, since it uses less digits than its factorization.

50117931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76362 (or 76359 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 50117931 is about 7079.4018815151. The cubic root of 50117931 is about 368.6925634567.

The spelling of 50117931 in words is "fifty million, one hundred seventeen thousand, nine hundred thirty-one".