51975295171 has 2 divisors, whose sum is σ = 51975295172. Its totient is φ = 51975295170.

The previous prime is 51975295157. The next prime is 51975295231. The reversal of 51975295171 is 17159257915.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51975295171 is a prime.

It is a super-2 number, since 2×51975295171² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51975275171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25987647585 + 25987647586.

It is an arithmetic number, because the mean of its divisors is an integer number (25987647586).

Almost surely, 2^51975295171 is an apocalyptic number.

51975295171 is a deficient number, since it is larger than the sum of its proper divisors (1).

51975295171 is an equidigital number, since it uses as much as digits as its factorization.

51975295171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 992250, while the sum is 52.

The spelling of 51975295171 in words is "fifty-one billion, nine hundred seventy-five million, two hundred ninety-five thousand, one hundred seventy-one".