55443336333666 has 16 divisors (see below), whose sum is σ = 111286985568384. Its totient is φ = 18414393294384.

The previous prime is 55443336333661. The next prime is 55443336333667. The reversal of 55443336333666 is 66633363334455.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55443336333661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16679702410 + ... + 16679705733.

It is an arithmetic number, because the mean of its divisors is an integer number (6955436598024).

Almost surely, 2^{55443336333666} is an apocalyptic number.

55443336333666 is an abundant number, since it is smaller than the sum of its proper divisors (55843649234718).

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

55443336333666 is a wasteful number, since it uses less digits than its factorization.

55443336333666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33359408425.

The product of its digits is 377913600, while the sum is 60.

The spelling of 55443336333666 in words is "fifty-five trillion, four hundred forty-three billion, three hundred thirty-six million, three hundred thirty-three thousand, six hundred sixty-six".