5561845256 has 32 divisors (see below), whose sum is σ = 12045710880. Its totient is φ = 2379398400.

The previous prime is 5561845231. The next prime is 5561845259. The reversal of 5561845256 is 6525481655.

It is a self number, because there is not a number n which added to its sum of digits gives 5561845256.

It is not an unprimeable number, because it can be changed into a prime (5561845259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857410 + ... + 1860401.

It is an arithmetic number, because the mean of its divisors is an integer number (376428465).

Almost surely, 2^5561845256 is an apocalyptic number.

It is an amenable number.

5561845256 is an abundant number, since it is smaller than the sum of its proper divisors (6483865624).

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

5561845256 is a wasteful number, since it uses less digits than its factorization.

5561845256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717845 (or 3717841 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 47.

The square root of 5561845256 is about 74577.7799079592. The cubic root of 5561845256 is about 1771.7657436356.

The spelling of 5561845256 in words is "five billion, five hundred sixty-one million, eight hundred forty-five thousand, two hundred fifty-six".