52665528 has 64 divisors (see below), whose sum is σ = 137963520. Its totient is φ = 16732800.

The previous prime is 52665527. The next prime is 52665533. The reversal of 52665528 is 82556625.

It is a happy number.

52665528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52665527) 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 in 15 ways as a sum of consecutive naturals, for example, 52326 + ... + 53322.

It is an arithmetic number, because the mean of its divisors is an integer number (2155680).

Almost surely, 2^52665528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52665528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68981760).

52665528 is an abundant number, since it is smaller than the sum of its proper divisors (85297992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52665528 is a wasteful number, since it uses less digits than its factorization.

52665528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108 (or 1104 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 52665528 is about 7257.1019008968. The cubic root of 52665528 is about 374.8367360411.

The spelling of 52665528 in words is "fifty-two million, six hundred sixty-five thousand, five hundred twenty-eight".