55043544042432 has 336 divisors, whose sum is σ = 175125473228160. Its totient is φ = 16388445849600.

The previous prime is 55043544042397. The next prime is 55043544042457. The reversal of 55043544042432 is 23424044534055.

55043544042432 is a `hidden beast` number, since 5 + 50 + 4 + 3 + 544 + 0 + 4 + 24 + 32 = 666.

55043544042432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 721816018 + ... + 721892270.

It is an arithmetic number, because the mean of its divisors is an integer number (521206765560).

Almost surely, 2^{55043544042432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55043544042432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87562736614080).

55043544042432 is an abundant number, since it is smaller than the sum of its proper divisors (120081929185728).

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

55043544042432 is a wasteful number, since it uses less digits than its factorization.

55043544042432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78272 (or 78259 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 45.

Adding to 55043544042432 its reverse (23424044534055), we get a palindrome (78467588576487).

The spelling of 55043544042432 in words is "fifty-five trillion, forty-three billion, five hundred forty-four million, forty-two thousand, four hundred thirty-two".