6550557832730 has 32 divisors (see below), whose sum is σ = 11799756231120. Its totient is φ = 2618278871040.

The previous prime is 6550557832681. The next prime is 6550557832781. The reversal of 6550557832730 is 372387550556.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3444190357609 + 3106367475121 = 1855853^2 + 1762489^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 86471270 + ... + 86546990.

Almost surely, 2^{6550557832730} is an apocalyptic number.

6550557832730 is a deficient number, since it is larger than the sum of its proper divisors (5249198398390).

6550557832730 is a wasteful number, since it uses less digits than its factorization.

6550557832730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82034.

The product of its (nonzero) digits is 26460000, while the sum is 56.

The spelling of 6550557832730 in words is "six trillion, five hundred fifty billion, five hundred fifty-seven million, eight hundred thirty-two thousand, seven hundred thirty".