51966944567 has 2 divisors, whose sum is σ = 51966944568. Its totient is φ = 51966944566.

The previous prime is 51966944507. The next prime is 51966944591. The reversal of 51966944567 is 76544966915.

51966944567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51966944567 - 2¹⁰ = 51966943543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51966944507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25983472283 + 25983472284.

It is an arithmetic number, because the mean of its divisors is an integer number (25983472284).

Almost surely, 2^51966944567 is an apocalyptic number.

51966944567 is a deficient number, since it is larger than the sum of its proper divisors (1).

51966944567 is an equidigital number, since it uses as much as digits as its factorization.

51966944567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48988800, while the sum is 62.

The spelling of 51966944567 in words is "fifty-one billion, nine hundred sixty-six million, nine hundred forty-four thousand, five hundred sixty-seven".