5656856603 has 4 divisors (see below), whose sum is σ = 5708754480. Its totient is φ = 5604958728.

The previous prime is 5656856599. The next prime is 5656856707. The reversal of 5656856603 is 3066586565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5656856603 - 2² = 5656856599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5656856903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25948775 + ... + 25948992.

It is an arithmetic number, because the mean of its divisors is an integer number (1427188620).

Almost surely, 2^5656856603 is an apocalyptic number.

5656856603 is a deficient number, since it is larger than the sum of its proper divisors (51897877).

5656856603 is a wasteful number, since it uses less digits than its factorization.

5656856603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51897876.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The square root of 5656856603 is about 75212.0775075386. The cubic root of 5656856603 is about 1781.7976833835.

The spelling of 5656856603 in words is "five billion, six hundred fifty-six million, eight hundred fifty-six thousand, six hundred three".