51528611 has 2 divisors, whose sum is σ = 51528612. Its totient is φ = 51528610.

The previous prime is 51528593. The next prime is 51528613. The reversal of 51528611 is 11682515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51528611 - 2¹⁰ = 51527587 is a prime.

Together with 51528613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51528613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25764305 + 25764306.

It is an arithmetic number, because the mean of its divisors is an integer number (25764306).

Almost surely, 2^51528611 is an apocalyptic number.

51528611 is a deficient number, since it is larger than the sum of its proper divisors (1).

51528611 is an equidigital number, since it uses as much as digits as its factorization.

51528611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 29.

The square root of 51528611 is about 7178.3431932445. The cubic root of 51528611 is about 372.1198283372.

The spelling of 51528611 in words is "fifty-one million, five hundred twenty-eight thousand, six hundred eleven".