55112204 has 12 divisors (see below), whose sum is σ = 110224464. Its totient is φ = 23619504.

The previous prime is 55112191. The next prime is 55112207. The reversal of 55112204 is 40221155.

55112204 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55112207) 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, 984119 + ... + 984174.

It is an arithmetic number, because the mean of its divisors is an integer number (9185372).

Almost surely, 2^55112204 is an apocalyptic number.

It is an amenable number.

55112204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55112204 is a wasteful number, since it uses less digits than its factorization.

55112204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968304 (or 1968302 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 55112204 is about 7423.7594249814. The cubic root of 55112204 is about 380.5536804007.

Adding to 55112204 its reverse (40221155), we get a palindrome (95333359).

The spelling of 55112204 in words is "fifty-five million, one hundred twelve thousand, two hundred four".