5543423430 has 64 divisors (see below), whose sum is σ = 13963207680. Its totient is φ = 1405771136.

The previous prime is 5543423429. The next prime is 5543423467. The reversal of 5543423430 is 343243455.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5543423391 and 5543423400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96151 + ... + 142589.

It is an arithmetic number, because the mean of its divisors is an integer number (218175120).

Almost surely, 2^5543423430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5543423430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6981603840).

5543423430 is an abundant number, since it is smaller than the sum of its proper divisors (8419784250).

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

5543423430 is a wasteful number, since it uses less digits than its factorization.

5543423430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46645.

The product of its (nonzero) digits is 86400, while the sum is 33.

The square root of 5543423430 is about 74454.1699973883. The cubic root of 5543423430 is about 1769.8074449792.

Adding to 5543423430 its reverse (343243455), we get a palindrome (5886666885).

The spelling of 5543423430 in words is "five billion, five hundred forty-three million, four hundred twenty-three thousand, four hundred thirty".