55118112 has 48 divisors (see below), whose sum is σ = 165356352. Its totient is φ = 15747840.

The previous prime is 55118111. The next prime is 55118113. The reversal of 55118112 is 21181155.

It is an interprime number because it is at equal distance from previous prime (55118111) and next prime (55118113).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (55118111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40339 + ... + 41682.

It is an arithmetic number, because the mean of its divisors is an integer number (3444924).

Almost surely, 2^55118112 is an apocalyptic number.

It is an amenable number.

55118112 is an abundant number, since it is smaller than the sum of its proper divisors (110238240).

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

55118112 is a wasteful number, since it uses less digits than its factorization.

55118112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82041 (or 82033 counting only the distinct ones).

The product of its digits is 400, while the sum is 24.

The square root of 55118112 is about 7424.1573259192. The cubic root of 55118112 is about 380.5672783013.

Adding to 55118112 its reverse (21181155), we get a palindrome (76299267).

The spelling of 55118112 in words is "fifty-five million, one hundred eighteen thousand, one hundred twelve".