6550455111 has 4 divisors (see below), whose sum is σ = 8733940152. Its totient is φ = 4366970072.

The previous prime is 6550455089. The next prime is 6550455151. The reversal of 6550455111 is 1115540556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6550455111 - 2²⁵ = 6516900679 is a prime.

It is a super-2 number, since 2×6550455111² = 85816924322452044642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550455151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091742516 + ... + 1091742521.

It is an arithmetic number, because the mean of its divisors is an integer number (2183485038).

Almost surely, 2^6550455111 is an apocalyptic number.

6550455111 is a deficient number, since it is larger than the sum of its proper divisors (2183485041).

6550455111 is a wasteful number, since it uses less digits than its factorization.

6550455111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183485040.

The product of its (nonzero) digits is 15000, while the sum is 33.

The square root of 6550455111 is about 80934.8819175020. The cubic root of 6550455111 is about 1871.0719650039.

Adding to 6550455111 its reverse (1115540556), we get a palindrome (7665995667).

The spelling of 6550455111 in words is "six billion, five hundred fifty million, four hundred fifty-five thousand, one hundred eleven".