52528663 has 8 divisors (see below), whose sum is σ = 59152896. Its totient is φ = 46212600.

The previous prime is 52528643. The next prime is 52528669. The reversal of 52528663 is 36682525.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52528663 - 2⁵ = 52528631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52528669) 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 in 7 ways as a sum of consecutive naturals, for example, 76681 + ... + 77362.

It is an arithmetic number, because the mean of its divisors is an integer number (7394112).

Almost surely, 2^52528663 is an apocalyptic number.

52528663 is a deficient number, since it is larger than the sum of its proper divisors (6624233).

52528663 is a wasteful number, since it uses less digits than its factorization.

52528663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154085.

The product of its digits is 86400, while the sum is 37.

The square root of 52528663 is about 7247.6660381119. Note that the first 3 decimals coincide. The cubic root of 52528663 is about 374.5117509472.

The spelling of 52528663 in words is "fifty-two million, five hundred twenty-eight thousand, six hundred sixty-three".