5561056000 has 72 divisors (see below), whose sum is σ = 13853365344. Its totient is φ = 2224409600.

The previous prime is 5561055991. The next prime is 5561056001. The reversal of 5561056000 is 6501655.

It is a self number, because there is not a number n which added to its sum of digits gives 5561056000.

It is not an unprimeable number, because it can be changed into a prime (5561056001) 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 7 ways as a sum of consecutive naturals, for example, 54892 + ... + 118891.

It is an arithmetic number, because the mean of its divisors is an integer number (192407852).

Almost surely, 2^5561056000 is an apocalyptic number.

5561056000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5561056000 is an abundant number, since it is smaller than the sum of its proper divisors (8292309344).

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

5561056000 is an equidigital number, since it uses as much as digits as its factorization.

5561056000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173814 (or 173790 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 5561056000 is about 74572.4882245457. The cubic root of 5561056000 is about 1771.6819319490.

Adding to 5561056000 its reverse (6501655), we get a palindrome (5567557655).

The spelling of 5561056000 in words is "five billion, five hundred sixty-one million, fifty-six thousand".