55266227668 has 12 divisors (see below), whose sum is σ = 96810632212. Its totient is φ = 27606047040.

The previous prime is 55266227641. The next prime is 55266227671. The reversal of 55266227668 is 86672266255.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12113643844 + 43152583824 = 110062^2 + 207732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6762105 + ... + 6770272.

Almost surely, 2^55266227668 is an apocalyptic number.

It is an amenable number.

55266227668 is a deficient number, since it is larger than the sum of its proper divisors (41544404544).

55266227668 is a wasteful number, since it uses less digits than its factorization.

55266227668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533402 (or 13533400 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 55.

The spelling of 55266227668 in words is "fifty-five billion, two hundred sixty-six million, two hundred twenty-seven thousand, six hundred sixty-eight".