54419445780 has 192 divisors, whose sum is σ = 184205242368. Its totient is φ = 11734778880.

The previous prime is 54419445767. The next prime is 54419445797. The reversal of 54419445780 is 8754491445.

It is a super-2 number, since 2×54419445780² (a number of 22 digits) contains 22 as substring.

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 666595 + ... + 743765.

It is an arithmetic number, because the mean of its divisors is an integer number (959402304).

Almost surely, 2^54419445780 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 54419445780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92102621184).

54419445780 is an abundant number, since it is smaller than the sum of its proper divisors (129785796588).

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

54419445780 is a wasteful number, since it uses less digits than its factorization.

54419445780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77286 (or 77284 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 54419445780 in words is "fifty-four billion, four hundred nineteen million, four hundred forty-five thousand, seven hundred eighty".