5561523872 has 48 divisors (see below), whose sum is σ = 11276697600. Its totient is φ = 2698023168.

The previous prime is 5561523859. The next prime is 5561523881. The reversal of 5561523872 is 2783251655.

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 7 ways as a sum of consecutive naturals, for example, 428129 + ... + 440927.

It is an arithmetic number, because the mean of its divisors is an integer number (234931200).

Almost surely, 2^5561523872 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 5561523872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5638348800).

5561523872 is an abundant number, since it is smaller than the sum of its proper divisors (5715173728).

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

5561523872 is a wasteful number, since it uses less digits than its factorization.

5561523872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13213 (or 13205 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The square root of 5561523872 is about 74575.6251867861. The cubic root of 5561523872 is about 1771.7316165846.

The spelling of 5561523872 in words is "five billion, five hundred sixty-one million, five hundred twenty-three thousand, eight hundred seventy-two".