50916117317 has 8 divisors (see below), whose sum is σ = 55317988824. Its totient is φ = 46583566848.

The previous prime is 50916117311. The next prime is 50916117367. The reversal of 50916117317 is 71371161905.

It is a Cunningham number, because it is equal to 225646²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 897242116 + 50018875201 = 29954^2 + 223649^2 .

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

It is not a de Polignac number, because 50916117317 - 2¹² = 50916113221 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 (50916117311) 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, 17328728 + ... + 17331665.

It is an arithmetic number, because the mean of its divisors is an integer number (6914748603).

Almost surely, 2^50916117317 is an apocalyptic number.

It is an amenable number.

50916117317 is a deficient number, since it is larger than the sum of its proper divisors (4401871507).

50916117317 is a wasteful number, since it uses less digits than its factorization.

50916117317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34660519.

The product of its (nonzero) digits is 39690, while the sum is 41.

The spelling of 50916117317 in words is "fifty billion, nine hundred sixteen million, one hundred seventeen thousand, three hundred seventeen".