5555555055569 has 24 divisors (see below), whose sum is σ = 5743403265600. Its totient is φ = 5373651689280.

The previous prime is 5555555055551. The next prime is 5555555055577. The reversal of 5555555055569 is 9655505555555.

It is a happy number.

It is not a de Polignac number, because 5555555055569 - 2¹⁶ = 5555554990033 is a prime.

It is a super-2 number, since 2×5555555055569² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5555555955569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161345447 + ... + 161379875.

It is an arithmetic number, because the mean of its divisors is an integer number (239308469400).

Almost surely, 2^{5555555055569} is an apocalyptic number.

It is an amenable number.

5555555055569 is a deficient number, since it is larger than the sum of its proper divisors (187848210031).

5555555055569 is a wasteful number, since it uses less digits than its factorization.

5555555055569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35193 (or 35156 counting only the distinct ones).

The product of its (nonzero) digits is 527343750, while the sum is 65.

The spelling of 5555555055569 in words is "five trillion, five hundred fifty-five billion, five hundred fifty-five million, fifty-five thousand, five hundred sixty-nine".