5501579767217 has 4 divisors (see below), whose sum is σ = 5501600474916. Its totient is φ = 5501559059520.

The previous prime is 5501579767193. The next prime is 5501579767219. The reversal of 5501579767217 is 7127679751055.

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 2818876460401 + 2682703306816 = 1678951^2 + 1637896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5501579767217 is a prime.

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 5501579767217.

It is not an unprimeable number, because it can be changed into a prime (5501579767219) 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, 9950084 + ... + 10488437.

It is an arithmetic number, because the mean of its divisors is an integer number (1375400118729).

Almost surely, 2^{5501579767217} is an apocalyptic number.

It is an amenable number.

5501579767217 is a deficient number, since it is larger than the sum of its proper divisors (20707699).

5501579767217 is a wasteful number, since it uses less digits than its factorization.

5501579767217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20707698.

The product of its (nonzero) digits is 32413500, while the sum is 62.

The spelling of 5501579767217 in words is "five trillion, five hundred one billion, five hundred seventy-nine million, seven hundred sixty-seven thousand, two hundred seventeen".