53171281927 has 2 divisors, whose sum is σ = 53171281928. Its totient is φ = 53171281926.

The previous prime is 53171281921. The next prime is 53171281931. The reversal of 53171281927 is 72918217135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53171281927 - 2³⁵ = 18811543559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53171281921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26585640963 + 26585640964.

It is an arithmetic number, because the mean of its divisors is an integer number (26585640964).

Almost surely, 2^53171281927 is an apocalyptic number.

53171281927 is a deficient number, since it is larger than the sum of its proper divisors (1).

53171281927 is an equidigital number, since it uses as much as digits as its factorization.

53171281927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 46.

The spelling of 53171281927 in words is "fifty-three billion, one hundred seventy-one million, two hundred eighty-one thousand, nine hundred twenty-seven".