56567656 has 8 divisors (see below), whose sum is σ = 106064370. Its totient is φ = 28283824.

The previous prime is 56567639. The next prime is 56567663. The reversal of 56567656 is 65676565.

56567656 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 28836900 + 27730756 = 5370^2 + 5266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3535471 + ... + 3535486.

Almost surely, 2^56567656 is an apocalyptic number.

It is an amenable number.

56567656 is a deficient number, since it is larger than the sum of its proper divisors (49496714).

56567656 is a wasteful number, since it uses less digits than its factorization.

56567656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070963 (or 7070959 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 46.

The square root of 56567656 is about 7521.1472529129. The cubic root of 56567656 is about 383.8746154583.

The spelling of 56567656 in words is "fifty-six million, five hundred sixty-seven thousand, six hundred fifty-six".