56012712 has 64 divisors (see below), whose sum is σ = 162777600. Its totient is φ = 15729600.

The previous prime is 56012707. The next prime is 56012791. The reversal of 56012712 is 21721065.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7087 + ... + 12737.

It is an arithmetic number, because the mean of its divisors is an integer number (2543400).

Almost surely, 2^56012712 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 56012712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81388800).

56012712 is an abundant number, since it is smaller than the sum of its proper divisors (106764888).

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

56012712 is a wasteful number, since it uses less digits than its factorization.

56012712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726 (or 5722 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 56012712 is about 7484.1640815792. The cubic root of 56012712 is about 382.6151833895.

Adding to 56012712 its reverse (21721065), we get a palindrome (77733777).

The spelling of 56012712 in words is "fifty-six million, twelve thousand, seven hundred twelve".