55044143 has 16 divisors (see below), whose sum is σ = 69757440. Its totient is φ = 42184800.

The previous prime is 55044137. The next prime is 55044151. The reversal of 55044143 is 34144055.

It is not a de Polignac number, because 55044143 - 2¹⁰ = 55043119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55044103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163 + ... + 10556.

It is an arithmetic number, because the mean of its divisors is an integer number (4359840).

Almost surely, 2^55044143 is an apocalyptic number.

55044143 is a deficient number, since it is larger than the sum of its proper divisors (14713297).

55044143 is a wasteful number, since it uses less digits than its factorization.

55044143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11798.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 55044143 is about 7419.1740106295. The cubic root of 55044143 is about 380.3969605238.

Adding to 55044143 its reverse (34144055), we get a palindrome (89188198).

The spelling of 55044143 in words is "fifty-five million, forty-four thousand, one hundred forty-three".