5554640 has 120 divisors (see below), whose sum is σ = 16327080. Its totient is φ = 1741824.

The previous prime is 5554621. The next prime is 5554663. The reversal of 5554640 is 464555.

It can be written as a sum of positive squares in 4 ways, for example, as 283024 + 5271616 = 532^2 + 2296^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50906 + ... + 51014.

It is an arithmetic number, because the mean of its divisors is an integer number (136059).

Almost surely, 2^5554640 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 5554640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8163540).

5554640 is an abundant number, since it is smaller than the sum of its proper divisors (10772440).

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

5554640 is a wasteful number, since it uses less digits than its factorization.

5554640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 5554640 is about 2356.8283772901. The cubic root of 5554640 is about 177.1000317664.

The spelling of 5554640 in words is "five million, five hundred fifty-four thousand, six hundred forty".