55244143 has 8 divisors (see below), whose sum is σ = 55943360. Its totient is φ = 54548640.

The previous prime is 55244117. The next prime is 55244149. The reversal of 55244143 is 34144255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55244143 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 (55244149) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 39313 + ... + 40693.

It is an arithmetic number, because the mean of its divisors is an integer number (6992920).

Almost surely, 2^55244143 is an apocalyptic number.

55244143 is a deficient number, since it is larger than the sum of its proper divisors (699217).

55244143 is a wasteful number, since it uses less digits than its factorization.

55244143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857.

The product of its digits is 9600, while the sum is 28.

The square root of 55244143 is about 7432.6403787618. The cubic root of 55244143 is about 380.8571211030.

Adding to 55244143 its reverse (34144255), we get a palindrome (89388398).

The spelling of 55244143 in words is "fifty-five million, two hundred forty-four thousand, one hundred forty-three".