54563836544 has 64 divisors (see below), whose sum is σ = 124411358400. Its totient is φ = 23350394880.

The previous prime is 54563836519. The next prime is 54563836559. The reversal of 54563836544 is 44563836545.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575072 + ... + 663200.

It is an arithmetic number, because the mean of its divisors is an integer number (1943927475).

Almost surely, 2^54563836544 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 54563836544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62205679200).

54563836544 is an abundant number, since it is smaller than the sum of its proper divisors (69847521856).

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

54563836544 is an equidigital number, since it uses as much as digits as its factorization.

54563836544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88841 (or 88829 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 53.

Subtracting from 54563836544 its reverse (44563836545), we obtain a palindrome (9999999999).

The spelling of 54563836544 in words is "fifty-four billion, five hundred sixty-three million, eight hundred thirty-six thousand, five hundred forty-four".