55044343344646 has 4 divisors (see below), whose sum is σ = 82566515016972. Its totient is φ = 27522171672322.

The previous prime is 55044343344643. The next prime is 55044343344677. The reversal of 55044343344646 is 64644334344055.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×55044343344646³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55044343344643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13761085836160 + ... + 13761085836163.

It is an arithmetic number, because the mean of its divisors is an integer number (20641628754243).

Almost surely, 2^{55044343344646} is an apocalyptic number.

55044343344646 is a deficient number, since it is larger than the sum of its proper divisors (27522171672326).

55044343344646 is a wasteful number, since it uses less digits than its factorization.

55044343344646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27522171672325.

The product of its (nonzero) digits is 99532800, while the sum is 55.

The spelling of 55044343344646 in words is "fifty-five trillion, forty-four billion, three hundred forty-three million, three hundred forty-four thousand, six hundred forty-six".