51528885 has 16 divisors (see below), whose sum is σ = 82667520. Its totient is φ = 27408320.

The previous prime is 51528859. The next prime is 51528899. The reversal of 51528885 is 58882515.

It is not a de Polignac number, because 51528885 - 2¹¹ = 51526837 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1420 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (5166720).

Almost surely, 2^51528885 is an apocalyptic number.

It is an amenable number.

51528885 is a deficient number, since it is larger than the sum of its proper divisors (31138635).

51528885 is a wasteful number, since it uses less digits than its factorization.

51528885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9228.

The product of its digits is 128000, while the sum is 42.

The square root of 51528885 is about 7178.3622784031. The cubic root of 51528885 is about 372.1204879102.

The spelling of 51528885 in words is "fifty-one million, five hundred twenty-eight thousand, eight hundred eighty-five".