54451220320 has 192 divisors, whose sum is σ = 157100549760. Its totient is φ = 17408950272.

The previous prime is 54451220297. The next prime is 54451220321. The reversal of 54451220320 is 2302215445.

It is a super-3 number, since 3×54451220320³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54451220321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2062242 + ... + 2088478.

It is an arithmetic number, because the mean of its divisors is an integer number (818232030).

Almost surely, 2^54451220320 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 54451220320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78550274880).

54451220320 is an abundant number, since it is smaller than the sum of its proper divisors (102649329440).

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

54451220320 is a wasteful number, since it uses less digits than its factorization.

54451220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26385 (or 26377 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 54451220320 its reverse (2302215445), we get a palindrome (56753435765).

The spelling of 54451220320 in words is "fifty-four billion, four hundred fifty-one million, two hundred twenty thousand, three hundred twenty".