5558409216 has 384 divisors, whose sum is σ = 17890891200. Its totient is φ = 1719926784.

The previous prime is 5558409211. The next prime is 5558409217. The reversal of 5558409216 is 6129048555.

5558409216 is a `hidden beast` number, since 5 + 558 + 4 + 0 + 92 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5558409211) 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, 76142556 + ... + 76142628.

Almost surely, 2^5558409216 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 5558409216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8945445600).

5558409216 is an abundant number, since it is smaller than the sum of its proper divisors (12332481984).

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

5558409216 is an frugal number, since it uses more digits than its factorization.

5558409216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The square root of 5558409216 is about 74554.7397286048. The cubic root of 5558409216 is about 1771.4008100699.

The spelling of 5558409216 in words is "five billion, five hundred fifty-eight million, four hundred nine thousand, two hundred sixteen".