5521043430 has 160 divisors (see below), whose sum is σ = 17425463616. Its totient is φ = 1227799296.

The previous prime is 5521043401. The next prime is 5521043491. The reversal of 5521043430 is 343401255.

5521043430 is a `hidden beast` number, since 552 + 104 + 3 + 4 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5521043394 and 5521043403.

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 196632 + ... + 222948.

Almost surely, 2^5521043430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5521043430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8712731808).

5521043430 is an abundant number, since it is smaller than the sum of its proper divisors (11904420186).

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

5521043430 is a wasteful number, since it uses less digits than its factorization.

5521043430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26380 (or 26371 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 5521043430 is about 74303.7242000695. The cubic root of 5521043430 is about 1767.4225340779.

Adding to 5521043430 its reverse (343401255), we get a palindrome (5864444685).

The spelling of 5521043430 in words is "five billion, five hundred twenty-one million, forty-three thousand, four hundred thirty".