50565117 has 4 divisors (see below), whose sum is σ = 67420160. Its totient is φ = 33710076.

The previous prime is 50565103. The next prime is 50565121. The reversal of 50565117 is 71156505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 50565117 - 2⁷ = 50564989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50565197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8427517 + ... + 8427522.

It is an arithmetic number, because the mean of its divisors is an integer number (16855040).

Almost surely, 2^50565117 is an apocalyptic number.

It is an amenable number.

50565117 is a deficient number, since it is larger than the sum of its proper divisors (16855043).

50565117 is a wasteful number, since it uses less digits than its factorization.

50565117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16855042.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 50565117 is about 7110.9153419233. The cubic root of 50565117 is about 369.7858926839.

The spelling of 50565117 in words is "fifty million, five hundred sixty-five thousand, one hundred seventeen".