27555112 has 48 divisors (see below), whose sum is σ = 56821500. Its totient is φ = 12519936.

The previous prime is 27555109. The next prime is 27555119. The reversal of 27555112 is 21155572.

It can be written as a sum of positive squares in 6 ways, for example, as 6081156 + 21473956 = 2466^2 + 4634^2 .

27555112 is a Rhonda number in base 10.

Its product of digits (3500) is a multiple of the sum of its prime factors (350).

It is not an unprimeable number, because it can be changed into a prime (27555119) 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 11 ways as a sum of consecutive naturals, for example, 120214 + ... + 120442.

Almost surely, 2^27555112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27555112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28410750).

27555112 is an abundant number, since it is smaller than the sum of its proper divisors (29266388).

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

27555112 is a wasteful number, since it uses less digits than its factorization.

27555112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 333 counting only the distinct ones).

The product of its digits is 3500, while the sum is 28.

The square root of 27555112 is about 5249.2963337956. The cubic root of 27555112 is about 302.0420390873.

The spelling of 27555112 in words is "twenty-seven million, five hundred fifty-five thousand, one hundred twelve".