5558400000 has 396 divisors, whose sum is σ = 20164857804. Its totient is φ = 1474560000.

The previous prime is 5558399989. The next prime is 5558400013. The reversal of 5558400000 is 48555.

It can be written as a sum of positive squares in 6 ways, for example, as 5087683584 + 470716416 = 71328^2 + 21696^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28799904 + ... + 28800096.

Almost surely, 2^5558400000 is an apocalyptic number.

5558400000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5558400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10082428902).

5558400000 is an abundant number, since it is smaller than the sum of its proper divisors (14606457804).

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

5558400000 is an equidigital number, since it uses as much as digits as its factorization.

5558400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 5558400000 is about 74554.6779216435. The cubic root of 5558400000 is about 1771.3998310584.

Adding to 5558400000 its reverse (48555), we get a palindrome (5558448555).

The spelling of 5558400000 in words is "five billion, five hundred fifty-eight million, four hundred thousand".