51968963 has 2 divisors, whose sum is σ = 51968964. Its totient is φ = 51968962.

The previous prime is 51968953. The next prime is 51968977. The reversal of 51968963 is 36986915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51968963 - 2¹⁰ = 51967939 is a prime.

It is not a weakly prime, because it can be changed into another prime (51968953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25984481 + 25984482.

It is an arithmetic number, because the mean of its divisors is an integer number (25984482).

Almost surely, 2^51968963 is an apocalyptic number.

51968963 is a deficient number, since it is larger than the sum of its proper divisors (1).

51968963 is an equidigital number, since it uses as much as digits as its factorization.

51968963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The square root of 51968963 is about 7208.9502009655. The cubic root of 51968963 is about 373.1768406788.

The spelling of 51968963 in words is "fifty-one million, nine hundred sixty-eight thousand, nine hundred sixty-three".