5551144 has 16 divisors (see below), whose sum is σ = 10480500. Its totient is φ = 2756352.

The previous prime is 5551121. The next prime is 5551157. The reversal of 5551144 is 4411555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4571044 + 980100 = 2138^2 + 990^2 .

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137 + ... + 3520.

Almost surely, 2^5551144 is an apocalyptic number.

It is an amenable number.

5551144 is a deficient number, since it is larger than the sum of its proper divisors (4929356).

5551144 is a wasteful number, since it uses less digits than its factorization.

5551144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812 (or 4808 counting only the distinct ones).

The product of its digits is 2000, while the sum is 25.

The square root of 5551144 is about 2356.0865858453. The cubic root of 5551144 is about 177.0628693430.

Adding to 5551144 its reverse (4411555), we get a palindrome (9962699).

It can be divided in two parts, 55511 and 44, that added together give a palindrome (55555).

The spelling of 5551144 in words is "five million, five hundred fifty-one thousand, one hundred forty-four".