51710899 has 2 divisors, whose sum is σ = 51710900. Its totient is φ = 51710898.

The previous prime is 51710891. The next prime is 51710929. The reversal of 51710899 is 99801715.

It is a happy number.

51710899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51710899 - 2³ = 51710891 is a prime.

It is not a weakly prime, because it can be changed into another prime (51710891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25855449 + 25855450.

It is an arithmetic number, because the mean of its divisors is an integer number (25855450).

Almost surely, 2^51710899 is an apocalyptic number.

51710899 is a deficient number, since it is larger than the sum of its proper divisors (1).

51710899 is an equidigital number, since it uses as much as digits as its factorization.

51710899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 40.

The square root of 51710899 is about 7191.0290640492. The cubic root of 51710899 is about 372.5581165423.

The spelling of 51710899 in words is "fifty-one million, seven hundred ten thousand, eight hundred ninety-nine".