5505440 has 48 divisors (see below), whose sum is σ = 13698720. Its totient is φ = 2085120.

The previous prime is 5505427. The next prime is 5505449. The reversal of 5505440 is 445055.

It is not an unprimeable number, because it can be changed into a prime (5505449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2135 + ... + 3945.

It is an arithmetic number, because the mean of its divisors is an integer number (285390).

Almost surely, 2^5505440 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 5505440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6849360).

5505440 is an abundant number, since it is smaller than the sum of its proper divisors (8193280).

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

5505440 is a wasteful number, since it uses less digits than its factorization.

5505440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 5505440 is about 2346.3674051606. The cubic root of 5505440 is about 176.5755948468.

The spelling of 5505440 in words is "five million, five hundred five thousand, four hundred forty".