55044423 has 12 divisors (see below), whose sum is σ = 90867088. Its totient is φ = 31453920.

The previous prime is 55044413. The next prime is 55044433. The reversal of 55044423 is 32444055.

It is an interprime number because it is at equal distance from previous prime (55044413) and next prime (55044433).

It is not a de Polignac number, because 55044423 - 2¹⁶ = 54978887 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 (55044403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436798 + ... + 436923.

Almost surely, 2^55044423 is an apocalyptic number.

55044423 is a deficient number, since it is larger than the sum of its proper divisors (35822665).

55044423 is a wasteful number, since it uses less digits than its factorization.

55044423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873734 (or 873731 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 55044423 is about 7419.1928806306. The cubic root of 55044423 is about 380.3976055272.

Adding to 55044423 its reverse (32444055), we get a palindrome (87488478).

The spelling of 55044423 in words is "fifty-five million, forty-four thousand, four hundred twenty-three".