55112224 has 24 divisors (see below), whose sum is σ = 109338768. Its totient is φ = 27343680.

The previous prime is 55112221. The next prime is 55112263. The reversal of 55112224 is 42221155.

It is a junction number, because it is equal to n+sod(n) for n = 55112195 and 55112204.

It is not an unprimeable number, because it can be changed into a prime (55112221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382 + ... + 10765.

It is an arithmetic number, because the mean of its divisors is an integer number (4555782).

Almost surely, 2^55112224 is an apocalyptic number.

It is an amenable number.

55112224 is a deficient number, since it is larger than the sum of its proper divisors (54226544).

55112224 is a wasteful number, since it uses less digits than its factorization.

55112224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13288 (or 13280 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 55112224 is about 7423.7607720077. The cubic root of 55112224 is about 380.5537264345.

Adding to 55112224 its reverse (42221155), we get a palindrome (97333379).

The spelling of 55112224 in words is "fifty-five million, one hundred twelve thousand, two hundred twenty-four".