57033012 has 24 divisors (see below), whose sum is σ = 133310016. Its totient is φ = 18977728.

The previous prime is 57033001. The next prime is 57033017. The reversal of 57033012 is 21033075.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 57033012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57033017) 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, 3553 + ... + 11255.

It is an arithmetic number, because the mean of its divisors is an integer number (5554584).

Almost surely, 2^57033012 is an apocalyptic number.

It is an amenable number.

57033012 is an abundant number, since it is smaller than the sum of its proper divisors (76277004).

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

57033012 is a wasteful number, since it uses less digits than its factorization.

57033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8327 (or 8325 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 57033012 is about 7552.0203919216. The cubic root of 57033012 is about 384.9243951163.

Adding to 57033012 its reverse (21033075), we get a palindrome (78066087).

The spelling of 57033012 in words is "fifty-seven million, thirty-three thousand, twelve".