5554440 has 128 divisors (see below), whose sum is σ = 19152000. Its totient is φ = 1430784.

The previous prime is 5554433. The next prime is 5554459. The reversal of 5554440 is 444555.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39891 + ... + 40029.

It is an arithmetic number, because the mean of its divisors is an integer number (149625).

Almost surely, 2^5554440 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 5554440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9576000).

5554440 is an abundant number, since it is smaller than the sum of its proper divisors (13597560).

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

5554440 is a wasteful number, since it uses less digits than its factorization.

5554440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 5554440 is about 2356.7859470049. The cubic root of 5554440 is about 177.0979061902.

Adding to 5554440 its reverse (444555), we get a palindrome (5998995).

The spelling of 5554440 in words is "five million, five hundred fifty-four thousand, four hundred forty".