56746656 has 60 divisors (see below), whose sum is σ = 166897962. Its totient is φ = 18914688.

The previous prime is 56746639. The next prime is 56746691. The reversal of 56746656 is 65664765.

It can be written as a sum of positive squares in only one way, i.e., 42458256 + 14288400 = 6516^2 + 3780^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 8355 + ... + 13538.

Almost surely, 2^56746656 is an apocalyptic number.

It is an amenable number.

56746656 is an abundant number, since it is smaller than the sum of its proper divisors (110151306).

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

56746656 is a wasteful number, since it uses less digits than its factorization.

56746656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21915 (or 21898 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 56746656 is about 7533.0376343146. The cubic root of 56746656 is about 384.2790939783.

The spelling of 56746656 in words is "fifty-six million, seven hundred forty-six thousand, six hundred fifty-six".