5555121343 has 8 divisors (see below), whose sum is σ = 5647424256. Its totient is φ = 5462858400.

The previous prime is 5555121323. The next prime is 5555121349. The reversal of 5555121343 is 3431215555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5555121343 - 2⁵ = 5555121311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5555121299 and 5555121308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555121349) 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 7 ways as a sum of consecutive naturals, for example, 426873 + ... + 439693.

It is an arithmetic number, because the mean of its divisors is an integer number (705928032).

Almost surely, 2^5555121343 is an apocalyptic number.

5555121343 is a deficient number, since it is larger than the sum of its proper divisors (92302913).

5555121343 is a wasteful number, since it uses less digits than its factorization.

5555121343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19985.

The product of its digits is 45000, while the sum is 34.

The square root of 5555121343 is about 74532.6864067035. The cubic root of 5555121343 is about 1771.0514721329.

Adding to 5555121343 its reverse (3431215555), we get a palindrome (8986336898).

The spelling of 5555121343 in words is "five billion, five hundred fifty-five million, one hundred twenty-one thousand, three hundred forty-three".