51744887 has 2 divisors, whose sum is σ = 51744888. Its totient is φ = 51744886.

The previous prime is 51744881. The next prime is 51744937. The reversal of 51744887 is 78844715.

51744887 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 51744887 - 2⁸ = 51744631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51744881) 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, 25872443 + 25872444.

It is an arithmetic number, because the mean of its divisors is an integer number (25872444).

Almost surely, 2^51744887 is an apocalyptic number.

51744887 is a deficient number, since it is larger than the sum of its proper divisors (1).

51744887 is an equidigital number, since it uses as much as digits as its factorization.

51744887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 250880, while the sum is 44.

The square root of 51744887 is about 7193.3918981243. The cubic root of 51744887 is about 372.6397223694.

The spelling of 51744887 in words is "fifty-one million, seven hundred forty-four thousand, eight hundred eighty-seven".