56656446 has 48 divisors (see below), whose sum is σ = 143804160. Its totient is φ = 14715120.

The previous prime is 56656441. The next prime is 56656447. The reversal of 56656446 is 64465665.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 56656398 and 56656407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56656441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5526 + ... + 11993.

It is an arithmetic number, because the mean of its divisors is an integer number (2995920).

Almost surely, 2^56656446 is an apocalyptic number.

56656446 is an abundant number, since it is smaller than the sum of its proper divisors (87147714).

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

56656446 is a wasteful number, since it uses less digits than its factorization.

56656446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17549 (or 17542 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The square root of 56656446 is about 7527.0476283866. The cubic root of 56656446 is about 384.0753568472.

The spelling of 56656446 in words is "fifty-six million, six hundred fifty-six thousand, four hundred forty-six".