54519081320 has 192 divisors, whose sum is σ = 141169392000. Its totient is φ = 18899386880.

The previous prime is 54519081301. The next prime is 54519081341. The reversal of 54519081320 is 2318091545.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43302851 + ... + 43304109.

It is an arithmetic number, because the mean of its divisors is an integer number (735257250).

Almost surely, 2^54519081320 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 54519081320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70584696000).

54519081320 is an abundant number, since it is smaller than the sum of its proper divisors (86650310680).

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

54519081320 is a wasteful number, since it uses less digits than its factorization.

54519081320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 54519081320 in words is "fifty-four billion, five hundred nineteen million, eighty-one thousand, three hundred twenty".