5545555851 has 8 divisors (see below), whose sum is σ = 8066263104. Its totient is φ = 3360942920.

The previous prime is 5545555823. The next prime is 5545555879. The reversal of 5545555851 is 1585555455.

It is an interprime number because it is at equal distance from previous prime (5545555823) and next prime (5545555879).

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 5545555851 - 2⁶ = 5545555787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5545555851.

It is not an unprimeable number, because it can be changed into a prime (5545555451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84023541 + ... + 84023606.

It is an arithmetic number, because the mean of its divisors is an integer number (1008282888).

Almost surely, 2^5545555851 is an apocalyptic number.

5545555851 is a deficient number, since it is larger than the sum of its proper divisors (2520707253).

5545555851 is a wasteful number, since it uses less digits than its factorization.

5545555851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168047161.

The product of its digits is 2500000, while the sum is 48.

The square root of 5545555851 is about 74468.4889802392. The cubic root of 5545555851 is about 1770.0343499351.

The spelling of 5545555851 in words is "five billion, five hundred forty-five million, five hundred fifty-five thousand, eight hundred fifty-one".