5528881385 has 8 divisors (see below), whose sum is σ = 6676917576. Its totient is φ = 4394931840.

The previous prime is 5528881357. The next prime is 5528881387. The reversal of 5528881385 is 5831888255.

It can be written as a sum of positive squares in 4 ways, for example, as 825527824 + 4703353561 = 28732^2 + 68581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5528881385 - 2¹⁰ = 5528880361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5528881387) 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 7 ways as a sum of consecutive naturals, for example, 3520796 + ... + 3522365.

It is an arithmetic number, because the mean of its divisors is an integer number (834614697).

Almost surely, 2^5528881385 is an apocalyptic number.

It is an amenable number.

5528881385 is a deficient number, since it is larger than the sum of its proper divisors (1148036191).

5528881385 is a wasteful number, since it uses less digits than its factorization.

5528881385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043323.

The product of its digits is 3072000, while the sum is 53.

The square root of 5528881385 is about 74356.4481736453. The cubic root of 5528881385 is about 1768.2585130110.

The spelling of 5528881385 in words is "five billion, five hundred twenty-eight million, eight hundred eighty-one thousand, three hundred eighty-five".