5545554144 has 48 divisors (see below), whose sum is σ = 15676858512. Its totient is φ = 1706323968.

The previous prime is 5545554109. The next prime is 5545554169. The reversal of 5545554144 is 4414555455.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 5545554096 and 5545554105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2220529 + ... + 2223024.

It is an arithmetic number, because the mean of its divisors is an integer number (326601219).

Almost surely, 2^5545554144 is an apocalyptic number.

It is an amenable number.

5545554144 is an abundant number, since it is smaller than the sum of its proper divisors (10131304368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5545554144 is a wasteful number, since it uses less digits than its factorization.

5545554144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443579 (or 4443571 counting only the distinct ones).

The product of its digits is 800000, while the sum is 42.

The square root of 5545554144 is about 74468.4775190147. The cubic root of 5545554144 is about 1770.0341683212.

The spelling of 5545554144 in words is "five billion, five hundred forty-five million, five hundred fifty-four thousand, one hundred forty-four".