55628615622432 has 48 divisors (see below), whose sum is σ = 146357747363520. Its totient is φ = 18500632972032.

The previous prime is 55628615622409. The next prime is 55628615622439. The reversal of 55628615622432 is 23422651682655.

55628615622432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (55628615622439) 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 7 ways as a sum of consecutive naturals, for example, 659940483 + ... + 660024770.

It is an arithmetic number, because the mean of its divisors is an integer number (3049119736740).

Almost surely, 2^{55628615622432} is an apocalyptic number.

It is an amenable number.

55628615622432 is an abundant number, since it is smaller than the sum of its proper divisors (90729131741088).

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

55628615622432 is a wasteful number, since it uses less digits than its factorization.

55628615622432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319965705 (or 1319965697 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 57.

The spelling of 55628615622432 in words is "fifty-five trillion, six hundred twenty-eight billion, six hundred fifteen million, six hundred twenty-two thousand, four hundred thirty-two".