57012993 has 12 divisors (see below), whose sum is σ = 82487808. Its totient is φ = 37946040.

The previous prime is 57012983. The next prime is 57013013. The reversal of 57012993 is 39921075.

57012993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57012993 - 2⁸ = 57012737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57012973) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 928 + ... + 10718.

It is an arithmetic number, because the mean of its divisors is an integer number (6873984).

Almost surely, 2^57012993 is an apocalyptic number.

It is an amenable number.

57012993 is a deficient number, since it is larger than the sum of its proper divisors (25474815).

57012993 is a wasteful number, since it uses less digits than its factorization.

57012993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10444 (or 10441 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 57012993 is about 7550.6948686859. The cubic root of 57012993 is about 384.8793527629.

The spelling of 57012993 in words is "fifty-seven million, twelve thousand, nine hundred ninety-three".