6560550 has 72 divisors (see below), whose sum is σ = 17989920. Its totient is φ = 1713600.

The previous prime is 6560537. The next prime is 6560551. The reversal of 6560550 is 550656.

6560550 is a `hidden beast` number, since 6 + 5 + 605 + 50 = 666.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6560551) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27331 + ... + 27569.

It is an arithmetic number, because the mean of its divisors is an integer number (249860).

Almost surely, 2^6560550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6560550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8994960).

6560550 is an abundant number, since it is smaller than the sum of its proper divisors (11429370).

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

6560550 is a wasteful number, since it uses less digits than its factorization.

6560550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 6560550 is about 2561.3570621840. The cubic root of 6560550 is about 187.2032639690.

The spelling of 6560550 in words is "six million, five hundred sixty thousand, five hundred fifty".