50253342173 has 2 divisors, whose sum is σ = 50253342174. Its totient is φ = 50253342172.

The previous prime is 50253342149. The next prime is 50253342301. The reversal of 50253342173 is 37124335205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48451933924 + 1801408249 = 220118^2 + 42443^2 .

It is a cyclic number.

It is not a de Polignac number, because 50253342173 - 2²² = 50249147869 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50253342673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25126671086 + 25126671087.

It is an arithmetic number, because the mean of its divisors is an integer number (25126671087).

Almost surely, 2^50253342173 is an apocalyptic number.

It is an amenable number.

50253342173 is a deficient number, since it is larger than the sum of its proper divisors (1).

50253342173 is an equidigital number, since it uses as much as digits as its factorization.

50253342173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 35.

Adding to 50253342173 its reverse (37124335205), we get a palindrome (87377677378).

The spelling of 50253342173 in words is "fifty billion, two hundred fifty-three million, three hundred forty-two thousand, one hundred seventy-three".