55442112 has 56 divisors (see below), whose sum is σ = 160032192. Its totient is φ = 16800000.

The previous prime is 55442089. The next prime is 55442129. The reversal of 55442112 is 21124455.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11014 + ... + 15237.

Almost surely, 2^55442112 is an apocalyptic number.

It is an amenable number.

55442112 is an abundant number, since it is smaller than the sum of its proper divisors (104590080).

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

55442112 is a wasteful number, since it uses less digits than its factorization.

55442112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26277 (or 26267 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 55442112 is about 7445.9460110855. The cubic root of 55442112 is about 381.3115162941.

Adding to 55442112 its reverse (21124455), we get a palindrome (76566567).

The spelling of 55442112 in words is "fifty-five million, four hundred forty-two thousand, one hundred twelve".