5545555224321 has 16 divisors (see below), whose sum is σ = 8464065784704. Its totient is φ = 3163752729984.

The previous prime is 5545555224317. The next prime is 5545555224323. The reversal of 5545555224321 is 1234225555455.

It is not a de Polignac number, because 5545555224321 - 2² = 5545555224317 is a prime.

It is a super-2 number, since 2×5545555224321² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5545555224323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213985470 + ... + 214011383.

It is an arithmetic number, because the mean of its divisors is an integer number (529004111544).

Almost surely, 2^{5545555224321} is an apocalyptic number.

It is an amenable number.

5545555224321 is a deficient number, since it is larger than the sum of its proper divisors (2918510560383).

5545555224321 is a wasteful number, since it uses less digits than its factorization.

5545555224321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427997480.

The product of its digits is 6000000, while the sum is 48.

The spelling of 5545555224321 in words is "five trillion, five hundred forty-five billion, five hundred fifty-five million, two hundred twenty-four thousand, three hundred twenty-one".