55555112 has 16 divisors (see below), whose sum is σ = 104275860. Its totient is φ = 27748224.

The previous prime is 55555111. The next prime is 55555139. The reversal of 55555112 is 21155555.

55555112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54081316 + 1473796 = 7354^2 + 1214^2 .

It is not an unprimeable number, because it can be changed into a prime (55555111) 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, 5828 + ... + 12044.

Almost surely, 2^55555112 is an apocalyptic number.

It is an amenable number.

55555112 is a deficient number, since it is larger than the sum of its proper divisors (48720748).

55555112 is a wasteful number, since it uses less digits than its factorization.

55555112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340 (or 7336 counting only the distinct ones).

The product of its digits is 6250, while the sum is 29.

The square root of 55555112 is about 7453.5301703287. The cubic root of 55555112 is about 381.5703986930.

The spelling of 55555112 in words is "fifty-five million, five hundred fifty-five thousand, one hundred twelve".