6533643552 has 24 divisors (see below), whose sum is σ = 17150814576. Its totient is φ = 2177881152.

The previous prime is 6533643527. The next prime is 6533643559. The reversal of 6533643552 is 2553463356.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (6533643559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34029298 + ... + 34029489.

It is an arithmetic number, because the mean of its divisors is an integer number (714617274).

Almost surely, 2^6533643552 is an apocalyptic number.

It is an amenable number.

6533643552 is an abundant number, since it is smaller than the sum of its proper divisors (10617171024).

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

6533643552 is a wasteful number, since it uses less digits than its factorization.

6533643552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68058800 (or 68058792 counting only the distinct ones).

The product of its digits is 972000, while the sum is 42.

The square root of 6533643552 is about 80830.9566440977. The cubic root of 6533643552 is about 1869.4699091347.

The spelling of 6533643552 in words is "six billion, five hundred thirty-three million, six hundred forty-three thousand, five hundred fifty-two".