55143044 has 12 divisors (see below), whose sum is σ = 105273168. Its totient is φ = 25065000.

The previous prime is 55143041. The next prime is 55143059. The reversal of 55143044 is 44034155.

It is not an unprimeable number, because it can be changed into a prime (55143041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 626582 + ... + 626669.

It is an arithmetic number, because the mean of its divisors is an integer number (8772764).

Almost surely, 2^55143044 is an apocalyptic number.

It is an amenable number.

55143044 is a deficient number, since it is larger than the sum of its proper divisors (50130124).

55143044 is a wasteful number, since it uses less digits than its factorization.

55143044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253266 (or 1253264 counting only the distinct ones).

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

The square root of 55143044 is about 7425.8362492045. The cubic root of 55143044 is about 380.6246512939.

Adding to 55143044 its reverse (44034155), we get a palindrome (99177199).

Subtracting from 55143044 its reverse (44034155), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 5514 and 3044, that added together give a palindrome (8558).

The spelling of 55143044 in words is "fifty-five million, one hundred forty-three thousand, forty-four".