5550372217 has 4 divisors (see below), whose sum is σ = 5977323940. Its totient is φ = 5123420496.

The previous prime is 5550372209. The next prime is 5550372221. The reversal of 5550372217 is 7122730555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7122730555 = 5 ⋅1424546111.

It can be written as a sum of positive squares in 2 ways, for example, as 525830761 + 5024541456 = 22931^2 + 70884^2 .

It is a cyclic number.

It is not a de Polignac number, because 5550372217 - 2³ = 5550372209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5550378217) 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, 213475842 + ... + 213475867.

It is an arithmetic number, because the mean of its divisors is an integer number (1494330985).

Almost surely, 2^5550372217 is an apocalyptic number.

It is an amenable number.

5550372217 is a deficient number, since it is larger than the sum of its proper divisors (426951723).

5550372217 is a wasteful number, since it uses less digits than its factorization.

5550372217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426951722.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 5550372217 is about 74500.8202438067. The cubic root of 5550372217 is about 1770.5466319995.

The spelling of 5550372217 in words is "five billion, five hundred fifty million, three hundred seventy-two thousand, two hundred seventeen".