55560500066 has 8 divisors (see below), whose sum is σ = 84913217244. Its totient is φ = 27256094320.

The previous prime is 55560500029. The next prime is 55560500089. The reversal of 55560500066 is 66000506555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55211370841 + 349129225 = 234971^2 + 18685^2 .

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

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, 262077725 + ... + 262077936.

Almost surely, 2^55560500066 is an apocalyptic number.

55560500066 is a deficient number, since it is larger than the sum of its proper divisors (29352717178).

55560500066 is a wasteful number, since it uses less digits than its factorization.

55560500066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524155716.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 55560500066 in words is "fifty-five billion, five hundred sixty million, five hundred thousand, sixty-six".