5528856217 has 2 divisors, whose sum is σ = 5528856218. Its totient is φ = 5528856216.

The previous prime is 5528856209. The next prime is 5528856247. The reversal of 5528856217 is 7126588255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5227868416 + 300987801 = 72304^2 + 17349^2 .

It is a cyclic number.

It is not a de Polignac number, because 5528856217 - 2³ = 5528856209 is a prime.

It is not a weakly prime, because it can be changed into another prime (5528856247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2764428108 + 2764428109.

It is an arithmetic number, because the mean of its divisors is an integer number (2764428109).

Almost surely, 2^5528856217 is an apocalyptic number.

It is an amenable number.

5528856217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5528856217 is an equidigital number, since it uses as much as digits as its factorization.

5528856217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344000, while the sum is 49.

The square root of 5528856217 is about 74356.2789345997. The cubic root of 5528856217 is about 1768.2558299126.

The spelling of 5528856217 in words is "five billion, five hundred twenty-eight million, eight hundred fifty-six thousand, two hundred seventeen".