51827695831 has 2 divisors, whose sum is σ = 51827695832. Its totient is φ = 51827695830.

The previous prime is 51827695763. The next prime is 51827695853. The reversal of 51827695831 is 13859672815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51827695831 - 2³³ = 43237761239 is a prime.

It is a super-2 number, since 2×51827695831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51827695891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25913847915 + 25913847916.

It is an arithmetic number, because the mean of its divisors is an integer number (25913847916).

Almost surely, 2^51827695831 is an apocalyptic number.

51827695831 is a deficient number, since it is larger than the sum of its proper divisors (1).

51827695831 is an equidigital number, since it uses as much as digits as its factorization.

51827695831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 55.

The spelling of 51827695831 in words is "fifty-one billion, eight hundred twenty-seven million, six hundred ninety-five thousand, eight hundred thirty-one".