6550240 has 24 divisors (see below), whose sum is σ = 15475320. Its totient is φ = 2620032.

The previous prime is 6550223. The next prime is 6550261. The reversal of 6550240 is 420556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20310 + ... + 20629.

It is an arithmetic number, because the mean of its divisors is an integer number (644805).

Almost surely, 2^6550240 is an apocalyptic number.

It is an amenable number.

6550240 is an abundant number, since it is smaller than the sum of its proper divisors (8925080).

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

6550240 is a wasteful number, since it uses less digits than its factorization.

6550240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40954 (or 40946 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 6550240 is about 2559.3436658644. The cubic root of 6550240 is about 187.1051483345.

Adding to 6550240 its reverse (420556), we get a palindrome (6970796).

It can be divided in two parts, 65 and 50240, that added together give a palindrome (50305).

The spelling of 6550240 in words is "six million, five hundred fifty thousand, two hundred forty".