55110444 has 24 divisors (see below), whose sum is σ = 129013248. Its totient is φ = 18309840.

The previous prime is 55110443. The next prime is 55110493. The reversal of 55110444 is 44401155.

It is a happy number.

55110444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55110444² = 6074322075754272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55110443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3652 + ... + 11115.

It is an arithmetic number, because the mean of its divisors is an integer number (5375552).

Almost surely, 2^55110444 is an apocalyptic number.

It is an amenable number.

55110444 is an abundant number, since it is smaller than the sum of its proper divisors (73902804).

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

55110444 is a wasteful number, since it uses less digits than its factorization.

55110444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15085 (or 15083 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 55110444 is about 7423.6408857110. The cubic root of 55110444 is about 380.5496293826.

Adding to 55110444 its reverse (44401155), we get a palindrome (99511599).

The spelling of 55110444 in words is "fifty-five million, one hundred ten thousand, four hundred forty-four".