5528081321 has 8 divisors (see below), whose sum is σ = 6318318720. Its totient is φ = 4737971808.

The previous prime is 5528081309. The next prime is 5528081323. The reversal of 5528081321 is 1231808255.

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

It is a cyclic number.

It is not a de Polignac number, because 5528081321 - 2¹⁸ = 5527819177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5528081323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93500 + ... + 140706.

It is an arithmetic number, because the mean of its divisors is an integer number (789789840).

Almost surely, 2^5528081321 is an apocalyptic number.

It is an amenable number.

5528081321 is a deficient number, since it is larger than the sum of its proper divisors (790237399).

5528081321 is a wasteful number, since it uses less digits than its factorization.

5528081321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63943.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 5528081321 is about 74351.0680555431. The cubic root of 5528081321 is about 1768.1732161775.

Adding to 5528081321 its reverse (1231808255), we get a palindrome (6759889576).

The spelling of 5528081321 in words is "five billion, five hundred twenty-eight million, eighty-one thousand, three hundred twenty-one".