5555044404 has 144 divisors (see below), whose sum is σ = 17371244800. Its totient is φ = 1457533440.

The previous prime is 5555044379. The next prime is 5555044409. The reversal of 5555044404 is 4044405555.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555044409) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 647664 + ... + 656184.

Almost surely, 2^5555044404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5555044404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8685622400).

5555044404 is an abundant number, since it is smaller than the sum of its proper divisors (11816200396).

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

5555044404 is a wasteful number, since it uses less digits than its factorization.

5555044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750 (or 8745 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 5555044404 is about 74532.1702622431. The cubic root of 5555044404 is about 1771.0432956803.

Adding to 5555044404 its reverse (4044405555), we get a palindrome (9599449959).

The spelling of 5555044404 in words is "five billion, five hundred fifty-five million, forty-four thousand, four hundred four".