55664550466 has 24 divisors (see below), whose sum is σ = 97152422220. Its totient is φ = 23850473472.

The previous prime is 55664550449. The next prime is 55664550499. The reversal of 55664550466 is 66405546655.

It can be written as a sum of positive squares in 2 ways, for example, as 55658718241 + 5832225 = 235921^2 + 2415^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352290 + ... + 485218.

Almost surely, 2^55664550466 is an apocalyptic number.

55664550466 is a deficient number, since it is larger than the sum of its proper divisors (41487871754).

55664550466 is a wasteful number, since it uses less digits than its factorization.

55664550466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137218 (or 137211 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 52.

The spelling of 55664550466 in words is "fifty-five billion, six hundred sixty-four million, five hundred fifty thousand, four hundred sixty-six".