5553440 has 48 divisors (see below), whose sum is σ = 13358520. Its totient is φ = 2181120.

The previous prime is 5553437. The next prime is 5553461. The reversal of 5553440 is 443555.

5553440 = 75² + 76² + ... + 257².

It can be written as a sum of positive squares in 4 ways, for example, as 1882384 + 3671056 = 1372^2 + 1916^2 .

It is a congruent number.

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, 9476 + ... + 10044.

Almost surely, 2^5553440 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 5553440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6679260).

5553440 is an abundant number, since it is smaller than the sum of its proper divisors (7805080).

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

5553440 is a wasteful number, since it uses less digits than its factorization.

5553440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 5553440 is about 2356.5737841196. The cubic root of 5553440 is about 177.0872775438.

Adding to 5553440 its reverse (443555), we get a palindrome (5996995).

The spelling of 5553440 in words is "five million, five hundred fifty-three thousand, four hundred forty".