55544438536767 has 12 divisors (see below), whose sum is σ = 80234114354784. Its totient is φ = 37028121680160.

The previous prime is 55544438536757. The next prime is 55544438536837. The reversal of 55544438536767 is 76763583444555.

55544438536767 is a `hidden beast` number, since 5 + 5 + 5 + 4 + 443 + 85 + 36 + 76 + 7 = 666.

55544438536767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55544438536767 - 2⁴ = 55544438536751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55544438536695 and 55544438536704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55544438536757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125100334 + ... + 125543547.

It is an arithmetic number, because the mean of its divisors is an integer number (6686176196232).

Almost surely, 2^{55544438536767} is an apocalyptic number.

55544438536767 is a deficient number, since it is larger than the sum of its proper divisors (24689675818017).

55544438536767 is a wasteful number, since it uses less digits than its factorization.

55544438536767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250668510 (or 250668507 counting only the distinct ones).

The product of its digits is 5080320000, while the sum is 72.

The spelling of 55544438536767 in words is "fifty-five trillion, five hundred forty-four billion, four hundred thirty-eight million, five hundred thirty-six thousand, seven hundred sixty-seven".