6551711227 has 4 divisors (see below), whose sum is σ = 6662757240. Its totient is φ = 6440665216.

The previous prime is 6551711219. The next prime is 6551711251. The reversal of 6551711227 is 7221171556.

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 6551711227 - 2³ = 6551711219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6551711267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55522918 + ... + 55523035.

It is an arithmetic number, because the mean of its divisors is an integer number (1665689310).

Almost surely, 2^6551711227 is an apocalyptic number.

6551711227 is a deficient number, since it is larger than the sum of its proper divisors (111046013).

6551711227 is a wasteful number, since it uses less digits than its factorization.

6551711227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111046012.

The product of its digits is 29400, while the sum is 37.

The square root of 6551711227 is about 80942.6415864963. The cubic root of 6551711227 is about 1871.1915563493.

The spelling of 6551711227 in words is "six billion, five hundred fifty-one million, seven hundred eleven thousand, two hundred twenty-seven".