5503435561 has 16 divisors (see below), whose sum is σ = 6245729280. Its totient is φ = 4811083200.

The previous prime is 5503435559. The next prime is 5503435577. The reversal of 5503435561 is 1655343055.

It is a cyclic number.

It is not a de Polignac number, because 5503435561 - 2¹ = 5503435559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5503435561.

It is not an unprimeable number, because it can be changed into a prime (5503435361) 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 15 ways as a sum of consecutive naturals, for example, 60921 + ... + 121318.

It is an arithmetic number, because the mean of its divisors is an integer number (390358080).

Almost surely, 2^5503435561 is an apocalyptic number.

It is an amenable number.

5503435561 is a deficient number, since it is larger than the sum of its proper divisors (742293719).

5503435561 is a wasteful number, since it uses less digits than its factorization.

5503435561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182376.

The product of its (nonzero) digits is 135000, while the sum is 37.

The square root of 5503435561 is about 74185.1438025161. The cubic root of 5503435561 is about 1765.5416283461.

The spelling of 5503435561 in words is "five billion, five hundred three million, four hundred thirty-five thousand, five hundred sixty-one".