57009712 has 20 divisors (see below), whose sum is σ = 111789720. Its totient is φ = 28160768.

The previous prime is 57009703. The next prime is 57009749. The reversal of 57009712 is 21790075.

57009712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20137 + ... + 22792.

It is an arithmetic number, because the mean of its divisors is an integer number (5589486).

Almost surely, 2^57009712 is an apocalyptic number.

It is an amenable number.

57009712 is a deficient number, since it is larger than the sum of its proper divisors (54780008).

57009712 is a wasteful number, since it uses less digits than its factorization.

57009712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43020 (or 43014 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 57009712 is about 7550.4776007879. The cubic root of 57009712 is about 384.8719695723.

Adding to 57009712 its reverse (21790075), we get a palindrome (78799787).

The spelling of 57009712 in words is "fifty-seven million, nine thousand, seven hundred twelve".