5521066217 has 4 divisors (see below), whose sum is σ = 5845834836. Its totient is φ = 5196297600.

The previous prime is 5521066207. The next prime is 5521066223. The reversal of 5521066217 is 7126601255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2941543696 + 2579522521 = 54236^2 + 50789^2 .

It is a cyclic number.

It is not a de Polignac number, because 5521066217 - 2⁶ = 5521066153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5521066207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162384284 + ... + 162384317.

It is an arithmetic number, because the mean of its divisors is an integer number (1461458709).

Almost surely, 2^5521066217 is an apocalyptic number.

It is an amenable number.

5521066217 is a deficient number, since it is larger than the sum of its proper divisors (324768619).

5521066217 is a wasteful number, since it uses less digits than its factorization.

5521066217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324768618.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 5521066217 is about 74303.8775367746. The cubic root of 5521066217 is about 1767.4249656353.

The spelling of 5521066217 in words is "five billion, five hundred twenty-one million, sixty-six thousand, two hundred seventeen".