5561233344 has 168 divisors, whose sum is σ = 16839460352. Its totient is φ = 1751984640.

The previous prime is 5561233303. The next prime is 5561233351. The reversal of 5561233344 is 4433321655.

5561233344 is a `hidden beast` number, since 5 + 5 + 612 + 3 + 3 + 34 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5561233299 and 5561233308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 764187 + ... + 771429.

Almost surely, 2^5561233344 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 5561233344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8419730176).

5561233344 is an abundant number, since it is smaller than the sum of its proper divisors (11278227008).

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

5561233344 is a wasteful number, since it uses less digits than its factorization.

5561233344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335 (or 7322 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 5561233344 is about 74573.6772862918. The cubic root of 5561233344 is about 1771.7007649321.

Adding to 5561233344 its reverse (4433321655), we get a palindrome (9994554999).

The spelling of 5561233344 in words is "five billion, five hundred sixty-one million, two hundred thirty-three thousand, three hundred forty-four".