5508732217 has 4 divisors (see below), whose sum is σ = 5524516900. Its totient is φ = 5492947536.

The previous prime is 5508732199. The next prime is 5508732227. The reversal of 5508732217 is 7122378055.

It is a happy number.

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 4621824256 + 886907961 = 67984^2 + 29781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5508732217 is a prime.

It is a super-2 number, since 2×5508732217² = 60692261277227470178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5508732217.

It is not an unprimeable number, because it can be changed into a prime (5508732227) 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, 7891818 + ... + 7892515.

It is an arithmetic number, because the mean of its divisors is an integer number (1381129225).

Almost surely, 2^5508732217 is an apocalyptic number.

It is an amenable number.

5508732217 is a deficient number, since it is larger than the sum of its proper divisors (15784683).

5508732217 is a wasteful number, since it uses less digits than its factorization.

5508732217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15784682.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 5508732217 is about 74220.8341168435. The cubic root of 5508732217 is about 1766.1078484900.

The spelling of 5508732217 in words is "five billion, five hundred eight million, seven hundred thirty-two thousand, two hundred seventeen".