528552648 has 128 divisors (see below), whose sum is σ = 1620057600. Its totient is φ = 158630400.

The previous prime is 528552601. The next prime is 528552667. The reversal of 528552648 is 846255825.

It is a happy number.

528552648 is a `hidden beast` number, since 5 + 2 + 85 + 526 + 48 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112833 + ... + 117423.

It is an arithmetic number, because the mean of its divisors is an integer number (12656700).

Almost surely, 2^528552648 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 528552648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810028800).

528552648 is an abundant number, since it is smaller than the sum of its proper divisors (1091504952).

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

528552648 is a wasteful number, since it uses less digits than its factorization.

528552648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660 (or 4650 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 528552648 is about 22990.2728996417. The cubic root of 528552648 is about 808.5298986262.

The spelling of 528552648 in words is "five hundred twenty-eight million, five hundred fifty-two thousand, six hundred forty-eight".