56005712 has 40 divisors (see below), whose sum is σ = 125265792. Its totient is φ = 23760000.

The previous prime is 56005687. The next prime is 56005751. The reversal of 56005712 is 21750065.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8837 + ... + 13787.

Almost surely, 2^56005712 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 56005712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62632896).

56005712 is an abundant number, since it is smaller than the sum of its proper divisors (69260080).

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

56005712 is a wasteful number, since it uses less digits than its factorization.

56005712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067 (or 5061 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 56005712 is about 7483.6964128698. The cubic root of 56005712 is about 382.5992440443.

Adding to 56005712 its reverse (21750065), we get a palindrome (77755777).

The spelling of 56005712 in words is "fifty-six million, five thousand, seven hundred twelve".