5531430540 has 192 divisors, whose sum is σ = 16846341120. Its totient is φ = 1352355840.

The previous prime is 5531430497. The next prime is 5531430547. The reversal of 5531430540 is 450341355.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5531430498 and 5531430507.

It is not an unprimeable number, because it can be changed into a prime (5531430547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3337392 + ... + 3339048.

It is an arithmetic number, because the mean of its divisors is an integer number (87741360).

Almost surely, 2^5531430540 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 5531430540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8423170560).

5531430540 is an abundant number, since it is smaller than the sum of its proper divisors (11314910580).

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

5531430540 is a wasteful number, since it uses less digits than its factorization.

5531430540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 5531430540 is about 74373.5876504556. The cubic root of 5531430540 is about 1768.5302299665.

Adding to 5531430540 its reverse (450341355), we get a palindrome (5981771895).

The spelling of 5531430540 in words is "five billion, five hundred thirty-one million, four hundred thirty thousand, five hundred forty".