6545545223 has 8 divisors (see below), whose sum is σ = 7483125120. Its totient is φ = 5608590840.

The previous prime is 6545545217. The next prime is 6545545289. The reversal of 6545545223 is 3225455456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6545545223 - 2¹⁰ = 6545544199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6545548223) 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, 133733 + ... + 175998.

It is an arithmetic number, because the mean of its divisors is an integer number (935390640).

Almost surely, 2^6545545223 is an apocalyptic number.

6545545223 is a deficient number, since it is larger than the sum of its proper divisors (937579897).

6545545223 is a wasteful number, since it uses less digits than its factorization.

6545545223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312757.

The product of its digits is 720000, while the sum is 41.

The square root of 6545545223 is about 80904.5438958777. The cubic root of 6545545223 is about 1870.6043613593.

The spelling of 6545545223 in words is "six billion, five hundred forty-five million, five hundred forty-five thousand, two hundred twenty-three".