5563491803 has 8 divisors (see below), whose sum is σ = 5581502400. Its totient is φ = 5545507968.

The previous prime is 5563491799. The next prime is 5563491809. The reversal of 5563491803 is 3081943655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5563491803 - 2² = 5563491799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5563491809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461213 + ... + 473121.

It is an arithmetic number, because the mean of its divisors is an integer number (697687800).

Almost surely, 2^5563491803 is an apocalyptic number.

5563491803 is a deficient number, since it is larger than the sum of its proper divisors (18010597).

5563491803 is a wasteful number, since it uses less digits than its factorization.

5563491803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13381.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 5563491803 is about 74588.8182169419. The cubic root of 5563491803 is about 1771.9405661751.

The spelling of 5563491803 in words is "five billion, five hundred sixty-three million, four hundred ninety-one thousand, eight hundred three".