55011112 has 64 divisors (see below), whose sum is σ = 116444160. Its totient is φ = 24192000.

The previous prime is 55011109. The next prime is 55011127. The reversal of 55011112 is 21111055.

55011112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 364237 + ... + 364387.

It is an arithmetic number, because the mean of its divisors is an integer number (1819440).

Almost surely, 2^55011112 is an apocalyptic number.

55011112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55011112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58222080).

55011112 is an abundant number, since it is smaller than the sum of its proper divisors (61433048).

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

55011112 is a wasteful number, since it uses less digits than its factorization.

55011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 55011112 is about 7416.9476201467. The cubic root of 55011112 is about 380.3208555077.

Adding to 55011112 its reverse (21111055), we get a palindrome (76122167).

The spelling of 55011112 in words is "fifty-five million, eleven thousand, one hundred twelve".