5455808217 has 20 divisors (see below), whose sum is σ = 8152885620. Its totient is φ = 3635933184.

The previous prime is 5455808201. The next prime is 5455808243. The reversal of 5455808217 is 7128085545.

5455808217 is a `hidden beast` number, since 5 + 4 + 558 + 0 + 82 + 17 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2485122201 + 2970686016 = 49851^2 + 54504^2 .

It is not a de Polignac number, because 5455808217 - 2⁴ = 5455808201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5455808297) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 259533 + ... + 279765.

It is an arithmetic number, because the mean of its divisors is an integer number (407644281).

Almost surely, 2^5455808217 is an apocalyptic number.

It is an amenable number.

5455808217 is a deficient number, since it is larger than the sum of its proper divisors (2697077403).

5455808217 is a wasteful number, since it uses less digits than its factorization.

5455808217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23574 (or 23565 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The square root of 5455808217 is about 73863.4430351036. The cubic root of 5455808217 is about 1760.4338007180.

The spelling of 5455808217 in words is "five billion, four hundred fifty-five million, eight hundred eight thousand, two hundred seventeen".