50000065173 has 6 divisors (see below), whose sum is σ = 72222316374. Its totient is φ = 33333376776.

The previous prime is 50000065169. The next prime is 50000065177. The reversal of 50000065173 is 37156000005.

50000065173 is a `hidden beast` number, since 5 + 0 + 0 + 0 + 0 + 0 + 651 + 7 + 3 = 666.

50000065173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50000065169) and next prime (50000065177).

It can be written as a sum of positive squares in only one way, i.e., 49351955409 + 648109764 = 222153^2 + 25458^2 .

It is not a de Polignac number, because 50000065173 - 2² = 50000065169 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000065177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2777781390 + ... + 2777781407.

It is an arithmetic number, because the mean of its divisors is an integer number (12037052729).

Almost surely, 2^50000065173 is an apocalyptic number.

It is an amenable number.

50000065173 is a deficient number, since it is larger than the sum of its proper divisors (22222251201).

50000065173 is a wasteful number, since it uses less digits than its factorization.

50000065173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555562803 (or 5555562800 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

Adding to 50000065173 its reverse (37156000005), we get a palindrome (87156065178).

The spelling of 50000065173 in words is "fifty billion, sixty-five thousand, one hundred seventy-three".