5528131720 has 32 divisors (see below), whose sum is σ = 12443391000. Its totient is φ = 2210347008.

The previous prime is 5528131711. The next prime is 5528131733. The reversal of 5528131720 is 271318255.

It can be written as a sum of positive squares in 4 ways, for example, as 5367906756 + 160224964 = 73266^2 + 12658^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75256 + ... + 129304.

Almost surely, 2^5528131720 is an apocalyptic number.

It is an amenable number.

5528131720 is an abundant number, since it is smaller than the sum of its proper divisors (6915259280).

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

5528131720 is a wasteful number, since it uses less digits than its factorization.

5528131720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56617 (or 56613 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 5528131720 is about 74351.4069806349. The cubic root of 5528131720 is about 1768.1785895844.

Adding to 5528131720 its reverse (271318255), we get a palindrome (5799449975).

The spelling of 5528131720 in words is "five billion, five hundred twenty-eight million, one hundred thirty-one thousand, seven hundred twenty".