55705555072 has 32 divisors (see below), whose sum is σ = 113337112320. Its totient is φ = 27260162304.

The previous prime is 55705555033. The next prime is 55705555117. The reversal of 55705555072 is 27055550755.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4623768 + ... + 4635799.

It is an arithmetic number, because the mean of its divisors is an integer number (3541784760).

Almost surely, 2^55705555072 is an apocalyptic number.

It is an amenable number.

55705555072 is an abundant number, since it is smaller than the sum of its proper divisors (57631557248).

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

55705555072 is an equidigital number, since it uses as much as digits as its factorization.

55705555072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259628 (or 9259616 counting only the distinct ones).

The product of its (nonzero) digits is 1531250, while the sum is 46.

The spelling of 55705555072 in words is "fifty-five billion, seven hundred five million, five hundred fifty-five thousand, seventy-two".