5551544144 has 10 divisors (see below), whose sum is σ = 10756116810. Its totient is φ = 2775772064.

The previous prime is 5551544129. The next prime is 5551544221. The reversal of 5551544144 is 4414451555.

It can be written as a sum of positive squares in only one way, i.e., 4018038544 + 1533505600 = 63388^2 + 39160^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5551544098 and 5551544107.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 173485739 + ... + 173485770.

It is an arithmetic number, because the mean of its divisors is an integer number (1075611681).

Almost surely, 2^5551544144 is an apocalyptic number.

It is an amenable number.

5551544144 is a deficient number, since it is larger than the sum of its proper divisors (5204572666).

5551544144 is a wasteful number, since it uses less digits than its factorization.

5551544144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346971517 (or 346971511 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

The square root of 5551544144 is about 74508.6850239621. The cubic root of 5551544144 is about 1770.6712365786.

Adding to 5551544144 its reverse (4414451555), we get a palindrome (9965995699).

The spelling of 5551544144 in words is "five billion, five hundred fifty-one million, five hundred forty-four thousand, one hundred forty-four".