54447216780 has 192 divisors, whose sum is σ = 167959733760. Its totient is φ = 13069056000.

The previous prime is 54447216743. The next prime is 54447216827. The reversal of 54447216780 is 8761274445.

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 63 ways as a sum of consecutive naturals, for example, 63383991 + ... + 63384849.

It is an arithmetic number, because the mean of its divisors is an integer number (874790280).

Almost surely, 2^54447216780 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 54447216780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83979866880).

54447216780 is an abundant number, since it is smaller than the sum of its proper divisors (113512516980).

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

54447216780 is a wasteful number, since it uses less digits than its factorization.

54447216780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720 (or 1718 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 54447216780 in words is "fifty-four billion, four hundred forty-seven million, two hundred sixteen thousand, seven hundred eighty".