5561506560 has 72 divisors (see below), whose sum is σ = 17762073840. Its totient is φ = 1483067392.

The previous prime is 5561506553. The next prime is 5561506571. The reversal of 5561506560 is 656051655.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 720315 + ... + 727994.

It is an arithmetic number, because the mean of its divisors is an integer number (246695470).

Almost surely, 2^5561506560 is an apocalyptic number.

It is an amenable number.

5561506560 is an abundant number, since it is smaller than the sum of its proper divisors (12200567280).

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

5561506560 is a wasteful number, since it uses less digits than its factorization.

5561506560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448333 (or 1448319 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 5561506560 is about 74575.5091165994. The cubic root of 5561506560 is about 1771.7297782246.

The spelling of 5561506560 in words is "five billion, five hundred sixty-one million, five hundred six thousand, five hundred sixty".