55112600 has 48 divisors (see below), whose sum is σ = 133719120. Its totient is φ = 21084800.

The previous prime is 55112599. The next prime is 55112611. The reversal of 55112600 is 621155.

55112600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1391 + ... + 10590.

It is an arithmetic number, because the mean of its divisors is an integer number (2785815).

Almost surely, 2^55112600 is an apocalyptic number.

55112600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55112600 is an abundant number, since it is smaller than the sum of its proper divisors (78606520).

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

55112600 is a wasteful number, since it uses less digits than its factorization.

55112600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020 (or 12011 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 55112600 is about 7423.7860960564. The cubic root of 55112600 is about 380.5545918679.

Adding to 55112600 its reverse (621155), we get a palindrome (55733755).

The spelling of 55112600 in words is "fifty-five million, one hundred twelve thousand, six hundred".