55044843 has 16 divisors (see below), whose sum is σ = 88293120. Its totient is φ = 29798496.

The previous prime is 55044841. The next prime is 55044851. The reversal of 55044843 is 34844055.

It is not a de Polignac number, because 55044843 - 2¹ = 55044841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55044841) 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 15 ways as a sum of consecutive naturals, for example, 68580 + ... + 69377.

It is an arithmetic number, because the mean of its divisors is an integer number (5518320).

Almost surely, 2^55044843 is an apocalyptic number.

55044843 is a deficient number, since it is larger than the sum of its proper divisors (33248277).

55044843 is a wasteful number, since it uses less digits than its factorization.

55044843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137986.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 55044843 is about 7419.2211855423. The cubic root of 55044843 is about 380.3985730281.

Adding to 55044843 its reverse (34844055), we get a palindrome (89888898).

The spelling of 55044843 in words is "fifty-five million, forty-four thousand, eight hundred forty-three".