550020611217 has 96 divisors (see below), whose sum is σ = 1019371547520. Its totient is φ = 259644241920.

The previous prime is 550020611207. The next prime is 550020611243. The reversal of 550020611217 is 712116020055.

It is not a de Polignac number, because 550020611217 - 2¹² = 550020607121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550020611207) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 452203 + ... + 1142159.

It is an arithmetic number, because the mean of its divisors is an integer number (10618453620).

Almost surely, 2^550020611217 is an apocalyptic number.

It is an amenable number.

550020611217 is a deficient number, since it is larger than the sum of its proper divisors (469350936303).

550020611217 is a wasteful number, since it uses less digits than its factorization.

550020611217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690031 (or 690024 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 550020611217 in words is "five hundred fifty billion, twenty million, six hundred eleven thousand, two hundred seventeen".