6552806639 has 8 divisors (see below), whose sum is σ = 6587904960. Its totient is φ = 6517772800.

The previous prime is 6552806627. The next prime is 6552806707. The reversal of 6552806639 is 9366082556.

6552806639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6552806639 - 2²⁸ = 6284371183 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 (6552806339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194999 + ... + 226119.

It is an arithmetic number, because the mean of its divisors is an integer number (823488120).

Almost surely, 2^6552806639 is an apocalyptic number.

6552806639 is a deficient number, since it is larger than the sum of its proper divisors (35098321).

6552806639 is a wasteful number, since it uses less digits than its factorization.

6552806639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32241.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The square root of 6552806639 is about 80949.4078977728. The cubic root of 6552806639 is about 1871.2958350326.

The spelling of 6552806639 in words is "six billion, five hundred fifty-two million, eight hundred six thousand, six hundred thirty-nine".