55022168718717 has 16 divisors (see below), whose sum is σ = 73773446976000. Its totient is φ = 36476172064304.

The previous prime is 55022168718689. The next prime is 55022168718719. The reversal of 55022168718717 is 71781786122055.

It is a cyclic number.

It is not a de Polignac number, because 55022168718717 - 2⁶ = 55022168718653 is a prime.

It is a super-2 number, since 2×55022168718717² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55022168718719) 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, 63331384 + ... + 64194302.

It is an arithmetic number, because the mean of its divisors is an integer number (4610840436000).

Almost surely, 2^{55022168718717} is an apocalyptic number.

It is an amenable number.

55022168718717 is a deficient number, since it is larger than the sum of its proper divisors (18751278257283).

55022168718717 is a wasteful number, since it uses less digits than its factorization.

55022168718717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981840.

The product of its (nonzero) digits is 13171200, while the sum is 60.

The spelling of 55022168718717 in words is "fifty-five trillion, twenty-two billion, one hundred sixty-eight million, seven hundred eighteen thousand, seven hundred seventeen".