5551112 has 60 divisors (see below), whose sum is σ = 12898605. Its totient is φ = 2239104.

The previous prime is 5551111. The next prime is 5551121. The reversal of 5551112 is 2111555.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 5080516 + 470596 = 2254^2 + 686^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1666.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551111) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 326528 + ... + 326544.

Almost surely, 2^5551112 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 5551112

5551112 is an abundant number, since it is smaller than the sum of its proper divisors (7347493).

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

5551112 is an equidigital number, since it uses as much as digits as its factorization.

5551112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 26 counting only the distinct ones).

The product of its digits is 250, while the sum is 20.

The square root of 5551112 is about 2356.0797949136. The cubic root of 5551112 is about 177.0625291115.

Adding to 5551112 its reverse (2111555), we get a palindrome (7662667).

The spelling of 5551112 in words is "five million, five hundred fifty-one thousand, one hundred twelve".