5528531232 has 720 divisors, whose sum is σ = 20856528000. Its totient is φ = 1426553856.

The previous prime is 5528531209. The next prime is 5528531243. The reversal of 5528531232 is 2321358255.

5528531232 is a `hidden beast` number, since 5 + 528 + 5 + 3 + 123 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 69981369 + ... + 69981447.

It is an arithmetic number, because the mean of its divisors is an integer number (28967400).

Almost surely, 2^5528531232 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 5528531232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10428264000).

5528531232 is an abundant number, since it is smaller than the sum of its proper divisors (15327996768).

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

5528531232 is a wasteful number, since it uses less digits than its factorization.

5528531232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 139 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 5528531232 is about 74354.0935793047. The cubic root of 5528531232 is about 1768.2211833324.

Adding to 5528531232 its reverse (2321358255), we get a palindrome (7849889487).

The spelling of 5528531232 in words is "five billion, five hundred twenty-eight million, five hundred thirty-one thousand, two hundred thirty-two".