5543487840 has 384 divisors, whose sum is σ = 20353213440. Its totient is φ = 1253376000.

The previous prime is 5543487821. The next prime is 5543487847. The reversal of 5543487840 is 487843455.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 5543487840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5543487847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13553556 + ... + 13553964.

It is an arithmetic number, because the mean of its divisors is an integer number (53003160).

Almost surely, 2^5543487840 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 5543487840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10176606720).

5543487840 is an abundant number, since it is smaller than the sum of its proper divisors (14809725600).

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

5543487840 is a wasteful number, since it uses less digits than its factorization.

5543487840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The square root of 5543487840 is about 74454.6025441007. The cubic root of 5543487840 is about 1769.8142995194.

The spelling of 5543487840 in words is "five billion, five hundred forty-three million, four hundred eighty-seven thousand, eight hundred forty".