5500240 has 40 divisors (see below), whose sum is σ = 12889800. Its totient is φ = 2182656.

The previous prime is 5500223. The next prime is 5500241. The reversal of 5500240 is 420055.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2637376 + 2862864 = 1624^2 + 1692^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500241) 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, 15586 + ... + 15934.

It is an arithmetic number, because the mean of its divisors is an integer number (322245).

Almost surely, 2^5500240 is an apocalyptic number.

It is an amenable number.

5500240 is an abundant number, since it is smaller than the sum of its proper divisors (7389560).

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

5500240 is a wasteful number, since it uses less digits than its factorization.

5500240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 5500240 is about 2345.2590475255. The cubic root of 5500240 is about 176.5199842550.

Adding to 5500240 its reverse (420055), we get a palindrome (5920295).

The spelling of 5500240 in words is "five million, five hundred thousand, two hundred forty".