5561450559 has 36 divisors (see below), whose sum is σ = 9378214560. Its totient is φ = 3166591680.

The previous prime is 5561450513. The next prime is 5561450569. The reversal of 5561450559 is 9550541655.

5561450559 is a `hidden beast` number, since 5 + 56 + 1 + 45 + 0 + 559 = 666.

It is not a de Polignac number, because 5561450559 - 2¹¹ = 5561448511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561450569) 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 35 ways as a sum of consecutive naturals, for example, 101482 + ... + 146360.

It is an arithmetic number, because the mean of its divisors is an integer number (260505960).

Almost surely, 2^5561450559 is an apocalyptic number.

5561450559 is a deficient number, since it is larger than the sum of its proper divisors (3816764001).

5561450559 is a wasteful number, since it uses less digits than its factorization.

5561450559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45180 (or 45170 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The square root of 5561450559 is about 74575.1336505675. The cubic root of 5561450559 is about 1771.7238314563.

The spelling of 5561450559 in words is "five billion, five hundred sixty-one million, four hundred fifty thousand, five hundred fifty-nine".