5543421312 has 256 divisors, whose sum is σ = 17436222720. Its totient is φ = 1538334720.

The previous prime is 5543421293. The next prime is 5543421313. The reversal of 5543421312 is 2131243455.

It is a self number, because there is not a number n which added to its sum of digits gives 5543421312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5543421313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8620863 + ... + 8621505.

It is an arithmetic number, because the mean of its divisors is an integer number (68110245).

Almost surely, 2^5543421312 is an apocalyptic number.

5543421312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5543421312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8718111360).

5543421312 is an abundant number, since it is smaller than the sum of its proper divisors (11892801408).

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

5543421312 is a wasteful number, since it uses less digits than its factorization.

5543421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 829 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 5543421312 is about 74454.1557738720. The cubic root of 5543421312 is about 1769.8072195798.

Adding to 5543421312 its reverse (2131243455), we get a palindrome (7674664767).

The spelling of 5543421312 in words is "five billion, five hundred forty-three million, four hundred twenty-one thousand, three hundred twelve".