54444444444 has 432 divisors, whose sum is σ = 164864700000. Its totient is φ = 15080712192.

The previous prime is 54444444437. The next prime is 54444444449. The reversal of 54444444444 is 44444444445.

54444444444 is a modest number, since divided by 444444 gives 54444 as remainder.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 54444444444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54444444449) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 365398882 + ... + 365399030.

It is an arithmetic number, because the mean of its divisors is an integer number (381631250).

Almost surely, 2^54444444444 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 54444444444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82432350000).

54444444444 is an abundant number, since it is smaller than the sum of its proper divisors (110420255556).

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

54444444444 is a wasteful number, since it uses less digits than its factorization.

54444444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 324 counting only the distinct ones).

The product of its digits is 5242880, while the sum is 45.

Adding to 54444444444 its reverse (44444444445), we get a palindrome (98888888889).

Subtracting from 54444444444 its reverse (44444444445), we obtain a palindrome (9999999999).

The spelling of 54444444444 in words is "fifty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-four".