6550505556730 has 16 divisors (see below), whose sum is σ = 11792994408360. Its totient is φ = 2619739021312.

The previous prime is 6550505556689. The next prime is 6550505556731. The reversal of 6550505556730 is 376555050556.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1729569547161 + 4820936009569 = 1315131^2 + 2195663^2 .

It is not an unprimeable number, because it can be changed into a prime (6550505556731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57840775 + ... + 57953914.

Almost surely, 2^{6550505556730} is an apocalyptic number.

6550505556730 is a deficient number, since it is larger than the sum of its proper divisors (5242488851630).

6550505556730 is a wasteful number, since it uses less digits than its factorization.

6550505556730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115800353.

The product of its (nonzero) digits is 11812500, while the sum is 52.

The spelling of 6550505556730 in words is "six trillion, five hundred fifty billion, five hundred five million, five hundred fifty-six thousand, seven hundred thirty".