57116712 has 32 divisors (see below), whose sum is σ = 144211680. Its totient is φ = 18849600.

The previous prime is 57116711. The next prime is 57116713. The reversal of 57116712 is 21761175.

It is an interprime number because it is at equal distance from previous prime (57116711) and next prime (57116713).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 57116712.

It is not an unprimeable number, because it can be changed into a prime (57116711) by changing a digit.

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, 9358 + ... + 14205.

It is an arithmetic number, because the mean of its divisors is an integer number (4506615).

Almost surely, 2^57116712 is an apocalyptic number.

It is an amenable number.

57116712 is an abundant number, since it is smaller than the sum of its proper divisors (87094968).

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

57116712 is a wasteful number, since it uses less digits than its factorization.

57116712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23673 (or 23669 counting only the distinct ones).

The product of its digits is 2940, while the sum is 30.

The square root of 57116712 is about 7557.5599236791. The cubic root of 57116712 is about 385.1126043818.

Adding to 57116712 its reverse (21761175), we get a palindrome (78877887).

The spelling of 57116712 in words is "fifty-seven million, one hundred sixteen thousand, seven hundred twelve".