6500506550 has 48 divisors (see below), whose sum is σ = 12364780032. Its totient is φ = 2541463200.

The previous prime is 6500506549. The next prime is 6500506559. The reversal of 6500506550 is 556050056.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6500506559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2421509 + ... + 2424191.

It is an arithmetic number, because the mean of its divisors is an integer number (257599584).

Almost surely, 2^6500506550 is an apocalyptic number.

6500506550 is a deficient number, since it is larger than the sum of its proper divisors (5864273482).

6500506550 is a wasteful number, since it uses less digits than its factorization.

6500506550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773 (or 3768 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 6500506550 is about 80625.7189115235. The cubic root of 6500506550 is about 1866.3040567269.

It can be divided in two parts, 6500506 and 550, that added together give a palindrome (6501056).

The spelling of 6500506550 in words is "six billion, five hundred million, five hundred six thousand, five hundred fifty".