51528559 has 2 divisors, whose sum is σ = 51528560. Its totient is φ = 51528558.

The previous prime is 51528527. The next prime is 51528571. The reversal of 51528559 is 95582515.

51528559 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 51528559 - 2⁵ = 51528527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51528509) 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, 25764279 + 25764280.

It is an arithmetic number, because the mean of its divisors is an integer number (25764280).

Almost surely, 2^51528559 is an apocalyptic number.

51528559 is a deficient number, since it is larger than the sum of its proper divisors (1).

51528559 is an equidigital number, since it uses as much as digits as its factorization.

51528559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90000, while the sum is 40.

The square root of 51528559 is about 7178.3395712379. The cubic root of 51528559 is about 372.1197031624.

The spelling of 51528559 in words is "fifty-one million, five hundred twenty-eight thousand, five hundred fifty-nine".