6550540 has 24 divisors (see below), whose sum is σ = 13889232. Its totient is φ = 2594880.

The previous prime is 6550519. The next prime is 6550547. The reversal of 6550540 is 450556.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6550547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610 + ... + 3670.

It is an arithmetic number, because the mean of its divisors is an integer number (578718).

Almost surely, 2^6550540 is an apocalyptic number.

It is an amenable number.

6550540 is an abundant number, since it is smaller than the sum of its proper divisors (7338692).

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

6550540 is a wasteful number, since it uses less digits than its factorization.

6550540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177 (or 3175 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 6550540 is about 2559.4022739695. The cubic root of 6550540 is about 187.1080047534.

It can be divided in two parts, 65 and 50540, that added together give a palindrome (50605).

The spelling of 6550540 in words is "six million, five hundred fifty thousand, five hundred forty".