55276662666 has 8 divisors (see below), whose sum is σ = 110553325344. Its totient is φ = 18425554220.

The previous prime is 55276662631. The next prime is 55276662671. The reversal of 55276662666 is 66626667255.

It is a sphenic number, since it is the product of 3 distinct primes.

55276662666 is an admirable 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, 4606388550 + ... + 4606388561.

It is an arithmetic number, because the mean of its divisors is an integer number (13819165668).

Almost surely, 2^55276662666 is an apocalyptic number.

55276662666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55276662666 is a wasteful number, since it uses less digits than its factorization.

55276662666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9212777116.

The product of its digits is 32659200, while the sum is 57.

The spelling of 55276662666 in words is "fifty-five billion, two hundred seventy-six million, six hundred sixty-two thousand, six hundred sixty-six".