5543420243456 has 80 divisors (see below), whose sum is σ = 11297667961008. Its totient is φ = 2716565913600.

The previous prime is 5543420243437. The next prime is 5543420243521. The reversal of 5543420243456 is 6543420243455.

It is a self number, because there is not a number n which added to its sum of digits gives 5543420243456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8460371 + ... + 9092013.

Almost surely, 2^{5543420243456} 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 5543420243456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5648833980504).

5543420243456 is an abundant number, since it is smaller than the sum of its proper divisors (5754247717552).

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

5543420243456 is an equidigital number, since it uses as much as digits as its factorization.

5543420243456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632003 (or 631987 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 47.

Subtracting 5543420243456 from its reverse (6543420243455), we obtain a palindrome (999999999999).

The spelling of 5543420243456 in words is "five trillion, five hundred forty-three billion, four hundred twenty million, two hundred forty-three thousand, four hundred fifty-six".