56109056 has 24 divisors (see below), whose sum is σ = 112194810. Its totient is φ = 28053504.

The previous prime is 56109047. The next prime is 56109073. The reversal of 56109056 is 65090165.

It can be written as a sum of positive squares in only one way, i.e., 43033600 + 13075456 = 6560^2 + 3616^2 .

It is a super-2 number, since 2×56109056² = 6296452330422272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

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

It is an unprimeable number.

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, 11651 + ... + 15746.

Almost surely, 2^56109056 is an apocalyptic number.

It is an amenable number.

56109056 is a deficient number, since it is larger than the sum of its proper divisors (56085754).

56109056 is an equidigital number, since it uses as much as digits as its factorization.

56109056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27419 (or 27399 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 56109056 is about 7490.5978399591. The cubic root of 56109056 is about 382.8344286347.

The spelling of 56109056 in words is "fifty-six million, one hundred nine thousand, fifty-six".