51589367171 has 2 divisors, whose sum is σ = 51589367172. Its totient is φ = 51589367170.

The previous prime is 51589367147. The next prime is 51589367173. The reversal of 51589367171 is 17176398515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51589367171 - 2¹⁸ = 51589105027 is a prime.

It is a super-2 number, since 2×51589367171² (a number of 22 digits) contains 22 as substring.

Together with 51589367173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51589367173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25794683585 + 25794683586.

It is an arithmetic number, because the mean of its divisors is an integer number (25794683586).

Almost surely, 2^51589367171 is an apocalyptic number.

51589367171 is a deficient number, since it is larger than the sum of its proper divisors (1).

51589367171 is an equidigital number, since it uses as much as digits as its factorization.

51589367171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 53.

The spelling of 51589367171 in words is "fifty-one billion, five hundred eighty-nine million, three hundred sixty-seven thousand, one hundred seventy-one".