5563003656 has 64 divisors (see below), whose sum is σ = 16281982080. Its totient is φ = 1550661120.

The previous prime is 5563003591. The next prime is 5563003657. The reversal of 5563003656 is 6563003655.

It is not an unprimeable number, because it can be changed into a prime (5563003657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396931 + ... + 410706.

It is an arithmetic number, because the mean of its divisors is an integer number (254405970).

Almost surely, 2^5563003656 is an apocalyptic number.

5563003656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5563003656 is an abundant number, since it is smaller than the sum of its proper divisors (10718978424).

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

5563003656 is a wasteful number, since it uses less digits than its factorization.

5563003656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807694 (or 807690 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 39.

The square root of 5563003656 is about 74585.5458919488. The cubic root of 5563003656 is about 1771.8887406429. Note that the first 3 decimals are identical.

Subtracting 5563003656 from its reverse (6563003655), we obtain a palindrome (999999999).

The spelling of 5563003656 in words is "five billion, five hundred sixty-three million, three thousand, six hundred fifty-six".