56656136 has 8 divisors (see below), whose sum is σ = 106230270. Its totient is φ = 28328064.

The previous prime is 56656133. The next prime is 56656141. The reversal of 56656136 is 63165665.

It can be written as a sum of positive squares in only one way, i.e., 56400100 + 256036 = 7510^2 + 506^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 56656136.

It is not an unprimeable number, because it can be changed into a prime (56656133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3541001 + ... + 3541016.

Almost surely, 2^56656136 is an apocalyptic number.

It is an amenable number.

56656136 is a deficient number, since it is larger than the sum of its proper divisors (49574134).

56656136 is a wasteful number, since it uses less digits than its factorization.

56656136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082023 (or 7082019 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 56656136 is about 7527.0270359552. The cubic root of 56656136 is about 384.0746563468.

The spelling of 56656136 in words is "fifty-six million, six hundred fifty-six thousand, one hundred thirty-six".