55571543348847 has 32 divisors (see below), whose sum is σ = 76633795392000. Its totient is φ = 35797349468160.

The previous prime is 55571543348819. The next prime is 55571543348887. The reversal of 55571543348847 is 74884334517555.

55571543348847 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 55571543348847 - 2⁷ = 55571543348719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55571543348807) 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 31 ways as a sum of consecutive naturals, for example, 27568654 + ... + 29515652.

It is an arithmetic number, because the mean of its divisors is an integer number (2394806106000).

Almost surely, 2^{55571543348847} is an apocalyptic number.

55571543348847 is a deficient number, since it is larger than the sum of its proper divisors (21062252043153).

55571543348847 is a wasteful number, since it uses less digits than its factorization.

55571543348847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949423.

The product of its digits is 1128960000, while the sum is 69.

The spelling of 55571543348847 in words is "fifty-five trillion, five hundred seventy-one billion, five hundred forty-three million, three hundred forty-eight thousand, eight hundred forty-seven".