5551110 has 48 divisors (see below), whose sum is σ = 14831856. Its totient is φ = 1439424.

The previous prime is 5551109. The next prime is 5551111. The reversal of 5551110 is 111555.

5551110 is a `hidden beast` number, since 5 + 551 + 110 = 666.

It is an interprime number because it is at equal distance from previous prime (5551109) and next prime (5551111).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a nialpdrome in base 10.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 2497 + ... + 4163.

It is an arithmetic number, because the mean of its divisors is an integer number (308997).

Almost surely, 2^5551110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5551110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7415928).

5551110 is an abundant number, since it is smaller than the sum of its proper divisors (9280746).

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

5551110 is a wasteful number, since it uses less digits than its factorization.

5551110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1714 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 5551110 is about 2356.0793704797. The cubic root of 5551110 is about 177.0625078470.

Adding to 5551110 its reverse (111555), we get a palindrome (5662665).

The spelling of 5551110 in words is "five million, five hundred fifty-one thousand, one hundred ten".