5503536561 has 32 divisors (see below), whose sum is σ = 7851715200. Its totient is φ = 3419020800.

The previous prime is 5503536557. The next prime is 5503536583. The reversal of 5503536561 is 1656353055.

It is not a de Polignac number, because 5503536561 - 2² = 5503536557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5503537561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 900805 + ... + 906893.

It is an arithmetic number, because the mean of its divisors is an integer number (245366100).

Almost surely, 2^5503536561 is an apocalyptic number.

It is an amenable number.

5503536561 is a deficient number, since it is larger than the sum of its proper divisors (2348178639).

5503536561 is a wasteful number, since it uses less digits than its factorization.

5503536561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369.

The product of its (nonzero) digits is 202500, while the sum is 39.

The square root of 5503536561 is about 74185.8245286793. The cubic root of 5503536561 is about 1765.5524287883.

The spelling of 5503536561 in words is "five billion, five hundred three million, five hundred thirty-six thousand, five hundred sixty-one".