55112504 has 16 divisors (see below), whose sum is σ = 109414800. Its totient is φ = 25935232.

The previous prime is 55112503. The next prime is 55112507. The reversal of 55112504 is 40521155.

It is a happy number.

55112504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55112504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55112503) 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 3 ways as a sum of consecutive naturals, for example, 202484 + ... + 202755.

It is an arithmetic number, because the mean of its divisors is an integer number (6838425).

Almost surely, 2^55112504 is an apocalyptic number.

It is an amenable number.

55112504 is a deficient number, since it is larger than the sum of its proper divisors (54302296).

55112504 is a wasteful number, since it uses less digits than its factorization.

55112504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405262 (or 405258 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 55112504 is about 7423.7796303500. The cubic root of 55112504 is about 380.5543709066.

Adding to 55112504 its reverse (40521155), we get a palindrome (95633659).

The spelling of 55112504 in words is "fifty-five million, one hundred twelve thousand, five hundred four".