5543534420 has 48 divisors (see below), whose sum is σ = 12369082320. Its totient is φ = 2086940672.

The previous prime is 5543534419. The next prime is 5543534429. The reversal of 5543534420 is 244353455.

It can be written as a sum of positive squares in 8 ways, for example, as 6091024 + 5537443396 = 2468^2 + 74414^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5543534429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70052 + ... + 126468.

It is an arithmetic number, because the mean of its divisors is an integer number (257689215).

Almost surely, 2^5543534420 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 5543534420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6184541160).

5543534420 is an abundant number, since it is smaller than the sum of its proper divisors (6825547900).

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

5543534420 is a wasteful number, since it uses less digits than its factorization.

5543534420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56477 (or 56441 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The square root of 5543534420 is about 74454.9153515065. The cubic root of 5543534420 is about 1769.8192565501.

Adding to 5543534420 its reverse (244353455), we get a palindrome (5787887875).

The spelling of 5543534420 in words is "five billion, five hundred forty-three million, five hundred thirty-four thousand, four hundred twenty".