550562566217 has 16 divisors (see below), whose sum is σ = 581805192960. Its totient is φ = 519957768000.

The previous prime is 550562566207. The next prime is 550562566241. The reversal of 550562566217 is 712665265055.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550562566217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550562566207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503867 + ... + 1164047.

It is an arithmetic number, because the mean of its divisors is an integer number (36362824560).

Almost surely, 2^550562566217 is an apocalyptic number.

It is an amenable number.

550562566217 is a deficient number, since it is larger than the sum of its proper divisors (31242626743).

550562566217 is a wasteful number, since it uses less digits than its factorization.

550562566217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660664.

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 550562566217 in words is "five hundred fifty billion, five hundred sixty-two million, five hundred sixty-six thousand, two hundred seventeen".