51675604271 has 2 divisors, whose sum is σ = 51675604272. Its totient is φ = 51675604270.

The previous prime is 51675604237. The next prime is 51675604283. The reversal of 51675604271 is 17240657615.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51675604271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51675603271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25837802135 + 25837802136.

It is an arithmetic number, because the mean of its divisors is an integer number (25837802136).

Almost surely, 2^51675604271 is an apocalyptic number.

51675604271 is a deficient number, since it is larger than the sum of its proper divisors (1).

51675604271 is an equidigital number, since it uses as much as digits as its factorization.

51675604271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 51675604271 in words is "fifty-one billion, six hundred seventy-five million, six hundred four thousand, two hundred seventy-one".