51549734167 has 2 divisors, whose sum is σ = 51549734168. Its totient is φ = 51549734166.

The previous prime is 51549734143. The next prime is 51549734191. The reversal of 51549734167 is 76143794515.

It is a balanced prime because it is at equal distance from previous prime (51549734143) and next prime (51549734191).

It is a cyclic number.

It is not a de Polignac number, because 51549734167 - 2¹¹ = 51549732119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51549734867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25774867083 + 25774867084.

It is an arithmetic number, because the mean of its divisors is an integer number (25774867084).

Almost surely, 2^51549734167 is an apocalyptic number.

51549734167 is a deficient number, since it is larger than the sum of its proper divisors (1).

51549734167 is an equidigital number, since it uses as much as digits as its factorization.

51549734167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 52.

The spelling of 51549734167 in words is "fifty-one billion, five hundred forty-nine million, seven hundred thirty-four thousand, one hundred sixty-seven".