52528520 has 48 divisors (see below), whose sum is σ = 129922380. Its totient is φ = 19099520.

The previous prime is 52528519. The next prime is 52528523. The reversal of 52528520 is 2582525.

It can be written as a sum of positive squares in 2 ways, for example, as 52388644 + 139876 = 7238^2 + 374^2 .

It is not an unprimeable number, because it can be changed into a prime (52528523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 587 + ... + 10266.

Almost surely, 2^52528520 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 52528520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64961190).

52528520 is an abundant number, since it is smaller than the sum of its proper divisors (77393860).

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

52528520 is a wasteful number, since it uses less digits than its factorization.

52528520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10886 (or 10871 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 52528520 is about 7247.6561728603. The cubic root of 52528520 is about 374.5114110996.

The spelling of 52528520 in words is "fifty-two million, five hundred twenty-eight thousand, five hundred twenty".