55543044 has 24 divisors (see below), whose sum is σ = 129971520. Its totient is φ = 18461344.

The previous prime is 55543039. The next prime is 55543051. The reversal of 55543044 is 44034555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139 + ... + 10754.

It is an arithmetic number, because the mean of its divisors is an integer number (5415480).

Almost surely, 2^55543044 is an apocalyptic number.

It is an amenable number.

55543044 is an abundant number, since it is smaller than the sum of its proper divisors (74428476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55543044 is a wasteful number, since it uses less digits than its factorization.

55543044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13259 (or 13257 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 55543044 is about 7452.7205770779. The cubic root of 55543044 is about 381.5427677222.

Adding to 55543044 its reverse (44034555), we get a palindrome (99577599).

The spelling of 55543044 in words is "fifty-five million, five hundred forty-three thousand, forty-four".