50045311273 has 2 divisors, whose sum is σ = 50045311274. Its totient is φ = 50045311272.

The previous prime is 50045311271. The next prime is 50045311313. The reversal of 50045311273 is 37211354005.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30002396944 + 20042914329 = 173212^2 + 141573^2 .

It is a cyclic number.

It is not a de Polignac number, because 50045311273 - 2¹ = 50045311271 is a prime.

It is a super-2 number, since 2×50045311273² (a number of 22 digits) contains 22 as substring.

Together with 50045311271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50045311271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25022655636 + 25022655637.

It is an arithmetic number, because the mean of its divisors is an integer number (25022655637).

Almost surely, 2^50045311273 is an apocalyptic number.

It is an amenable number.

50045311273 is a deficient number, since it is larger than the sum of its proper divisors (1).

50045311273 is an equidigital number, since it uses as much as digits as its factorization.

50045311273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

Adding to 50045311273 its reverse (37211354005), we get a palindrome (87256665278).

The spelling of 50045311273 in words is "fifty billion, forty-five million, three hundred eleven thousand, two hundred seventy-three".