6530006550 has 24 divisors (see below), whose sum is σ = 16194416616. Its totient is φ = 1741335040.

The previous prime is 6530006537. The next prime is 6530006551. The reversal of 6530006550 is 556000356.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6530006551) 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 11 ways as a sum of consecutive naturals, for example, 21766539 + ... + 21766838.

It is an arithmetic number, because the mean of its divisors is an integer number (674767359).

Almost surely, 2^6530006550 is an apocalyptic number.

6530006550 is an abundant number, since it is smaller than the sum of its proper divisors (9664410066).

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

6530006550 is a wasteful number, since it uses less digits than its factorization.

6530006550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43533392 (or 43533387 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 6530006550 is about 80808.4559312947. The cubic root of 6530006550 is about 1869.1229599041.

The spelling of 6530006550 in words is "six billion, five hundred thirty million, six thousand, five hundred fifty".