56705568 has 48 divisors (see below), whose sum is σ = 150756480. Its totient is φ = 18660096.

The previous prime is 56705543. The next prime is 56705569. The reversal of 56705568 is 86550765.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (56705569) 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, 3846 + ... + 11322.

It is an arithmetic number, because the mean of its divisors is an integer number (3140760).

Almost surely, 2^56705568 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 56705568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75378240).

56705568 is an abundant number, since it is smaller than the sum of its proper divisors (94050912).

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

56705568 is a wasteful number, since it uses less digits than its factorization.

56705568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569 (or 7561 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 56705568 is about 7530.3099537801. The cubic root of 56705568 is about 384.1863245075.

The spelling of 56705568 in words is "fifty-six million, seven hundred five thousand, five hundred sixty-eight".