50109917 has 16 divisors (see below), whose sum is σ = 59317440. Its totient is φ = 41731200.

The previous prime is 50109911. The next prime is 50109947. The reversal of 50109917 is 71990105.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50109917 is a prime.

It is a super-2 number, since 2×50109917² = 5022007563493778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50109911) 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, 18617 + ... + 21137.

It is an arithmetic number, because the mean of its divisors is an integer number (3707340).

Almost surely, 2^50109917 is an apocalyptic number.

It is an amenable number.

50109917 is a deficient number, since it is larger than the sum of its proper divisors (9207523).

50109917 is a wasteful number, since it uses less digits than its factorization.

50109917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 50109917 is about 7078.8358506184. The cubic root of 50109917 is about 368.6729107453.

The spelling of 50109917 in words is "fifty million, one hundred nine thousand, nine hundred seventeen".