51453041173 has 2 divisors, whose sum is σ = 51453041174. Its totient is φ = 51453041172.

The previous prime is 51453041161. The next prime is 51453041207. The reversal of 51453041173 is 37114035415.

It is an a-pointer prime, because the next prime (51453041207) can be obtained adding 51453041173 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47513972529 + 3939068644 = 217977^2 + 62762^2 .

It is a cyclic number.

It is not a de Polignac number, because 51453041173 - 2¹⁷ = 51452910101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51453041153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25726520586 + 25726520587.

It is an arithmetic number, because the mean of its divisors is an integer number (25726520587).

Almost surely, 2^51453041173 is an apocalyptic number.

It is an amenable number.

51453041173 is a deficient number, since it is larger than the sum of its proper divisors (1).

51453041173 is an equidigital number, since it uses as much as digits as its factorization.

51453041173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 51453041173 its reverse (37114035415), we get a palindrome (88567076588).

The spelling of 51453041173 in words is "fifty-one billion, four hundred fifty-three million, forty-one thousand, one hundred seventy-three".