5561550056 has 8 divisors (see below), whose sum is σ = 10427906370. Its totient is φ = 2780775024.

The previous prime is 5561550053. The next prime is 5561550073. The reversal of 5561550056 is 6500551655.

It can be written as a sum of positive squares in only one way, i.e., 5530301956 + 31248100 = 74366^2 + 5590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (5561550053) 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 as a sum of consecutive naturals, namely, 347596871 + ... + 347596886.

Almost surely, 2^5561550056 is an apocalyptic number.

It is an amenable number.

5561550056 is a deficient number, since it is larger than the sum of its proper divisors (4866356314).

5561550056 is a wasteful number, since it uses less digits than its factorization.

5561550056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695193763 (or 695193759 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 5561550056 is about 74575.8007399183. The cubic root of 5561550056 is about 1771.7343970545.

The spelling of 5561550056 in words is "five billion, five hundred sixty-one million, five hundred fifty thousand, fifty-six".