56056688 has 40 divisors (see below), whose sum is σ = 115565520. Its totient is φ = 26265600.

The previous prime is 56056687. The next prime is 56056697. The reversal of 56056688 is 88665065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56056687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28538 + ... + 30438.

It is an arithmetic number, because the mean of its divisors is an integer number (2889138).

Almost surely, 2^56056688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56056688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57782760).

56056688 is an abundant number, since it is smaller than the sum of its proper divisors (59508832).

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

56056688 is a wasteful number, since it uses less digits than its factorization.

56056688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 56056688 is about 7487.1014418131. The cubic root of 56056688 is about 382.7152885457.

The spelling of 56056688 in words is "fifty-six million, fifty-six thousand, six hundred eighty-eight".