5528027921 has 16 divisors (see below), whose sum is σ = 6307309008. Its totient is φ = 4799692800.

The previous prime is 5528027899. The next prime is 5528027959. The reversal of 5528027921 is 1297208255.

It can be written as a sum of positive squares in 8 ways, for example, as 1899652225 + 3628375696 = 43585^2 + 60236^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5528027921 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5528027321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404561 + ... + 418001.

It is an arithmetic number, because the mean of its divisors is an integer number (394206813).

Almost surely, 2^5528027921 is an apocalyptic number.

It is an amenable number.

5528027921 is a deficient number, since it is larger than the sum of its proper divisors (779281087).

5528027921 is a wasteful number, since it uses less digits than its factorization.

5528027921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15332.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 5528027921 is about 74350.7089475279. The cubic root of 5528027921 is about 1768.1675227763.

The spelling of 5528027921 in words is "five billion, five hundred twenty-eight million, twenty-seven thousand, nine hundred twenty-one".