55177446266 has 4 divisors (see below), whose sum is σ = 82766169402. Its totient is φ = 27588723132.

The previous prime is 55177446241. The next prime is 55177446271. The reversal of 55177446266 is 66264477155.

It is a happy number.

55177446266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 46495865641 + 8681580625 = 215629^2 + 93175^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13794361565 + ... + 13794361568.

Almost surely, 2^55177446266 is an apocalyptic number.

55177446266 is a deficient number, since it is larger than the sum of its proper divisors (27588723136).

55177446266 is a wasteful number, since it uses less digits than its factorization.

55177446266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27588723135.

The product of its digits is 8467200, while the sum is 53.

The spelling of 55177446266 in words is "fifty-five billion, one hundred seventy-seven million, four hundred forty-six thousand, two hundred sixty-six".