51528593 has 2 divisors, whose sum is σ = 51528594. Its totient is φ = 51528592.

The previous prime is 51528571. The next prime is 51528611. The reversal of 51528593 is 39582515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27636049 + 23892544 = 5257^2 + 4888^2 .

It is a cyclic number.

It is not a de Polignac number, because 51528593 - 2¹⁶ = 51463057 is a prime.

It is not a weakly prime, because it can be changed into another prime (51528523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25764296 + 25764297.

It is an arithmetic number, because the mean of its divisors is an integer number (25764297).

Almost surely, 2^51528593 is an apocalyptic number.

It is an amenable number.

51528593 is a deficient number, since it is larger than the sum of its proper divisors (1).

51528593 is an equidigital number, since it uses as much as digits as its factorization.

51528593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 38.

The square root of 51528593 is about 7178.3419394732. The cubic root of 51528593 is about 372.1197850075.

The spelling of 51528593 in words is "fifty-one million, five hundred twenty-eight thousand, five hundred ninety-three".