55150580666 has 8 divisors (see below), whose sum is σ = 83221236000. Its totient is φ = 27410168668.

The previous prime is 55150580647. The next prime is 55150580687. The reversal of 55150580666 is 66608505155.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55150580666.

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, 82560416 + ... + 82561083.

It is an arithmetic number, because the mean of its divisors is an integer number (10402654500).

Almost surely, 2^55150580666 is an apocalyptic number.

55150580666 is a deficient number, since it is larger than the sum of its proper divisors (28070655334).

55150580666 is a wasteful number, since it uses less digits than its factorization.

55150580666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165121668.

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 55150580666 in words is "fifty-five billion, one hundred fifty million, five hundred eighty thousand, six hundred sixty-six".