5555044403 has 4 divisors (see below), whose sum is σ = 5612313000. Its totient is φ = 5497775808.

The previous prime is 5555044379. The next prime is 5555044409. The reversal of 5555044403 is 3044405555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5555044403 - 2¹⁴ = 5555028019 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28634153 + ... + 28634346.

It is an arithmetic number, because the mean of its divisors is an integer number (1403078250).

Almost surely, 2^5555044403 is an apocalyptic number.

5555044403 is a deficient number, since it is larger than the sum of its proper divisors (57268597).

5555044403 is an equidigital number, since it uses as much as digits as its factorization.

5555044403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57268596.

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 5555044403 is about 74532.1702555346. The cubic root of 5555044403 is about 1771.0432955740.

Adding to 5555044403 its reverse (3044405555), we get a palindrome (8599449958).

The spelling of 5555044403 in words is "five billion, five hundred fifty-five million, forty-four thousand, four hundred three".