5656400056 has 16 divisors (see below), whose sum is σ = 10608067440. Its totient is φ = 2827582080.

The previous prime is 5656400047. The next prime is 5656400059. The reversal of 5656400056 is 6500046565.

It is a junction number, because it is equal to n+sod(n) for n = 5656399988 and 5656400024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656400059) 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, 37116 + ... + 112651.

It is an arithmetic number, because the mean of its divisors is an integer number (663004215).

Almost surely, 2^5656400056 is an apocalyptic number.

It is an amenable number.

5656400056 is a deficient number, since it is larger than the sum of its proper divisors (4951667384).

5656400056 is a wasteful number, since it uses less digits than its factorization.

5656400056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154494 (or 154490 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 5656400056 is about 75209.0423818838. The cubic root of 5656400056 is about 1781.7497476759.

The spelling of 5656400056 in words is "five billion, six hundred fifty-six million, four hundred thousand, fifty-six".