55532112 has 40 divisors (see below), whose sum is σ = 144949056. Its totient is φ = 18318336.

The previous prime is 55532111. The next prime is 55532119. The reversal of 55532112 is 21123555.

It is a happy number.

55532112 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 (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55532111) 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 7 ways as a sum of consecutive naturals, for example, 1308 + ... + 10619.

Almost surely, 2^55532112 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 55532112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72474528).

55532112 is an abundant number, since it is smaller than the sum of its proper divisors (89416944).

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

55532112 is a wasteful number, since it uses less digits than its factorization.

55532112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12035 (or 12029 counting only the distinct ones).

The product of its digits is 1500, while the sum is 24.

The square root of 55532112 is about 7451.9871175412. The cubic root of 55532112 is about 381.5177342892.

Adding to 55532112 its reverse (21123555), we get a palindrome (76655667).

The spelling of 55532112 in words is "fifty-five million, five hundred thirty-two thousand, one hundred twelve".