57033812 has 24 divisors (see below), whose sum is σ = 109855872. Its totient is φ = 25692800.

The previous prime is 57033787. The next prime is 57033869. The reversal of 57033812 is 21833075.

It is a super-2 number, since 2×57033812² = 6505711422502688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 764 + ... + 10707.

It is an arithmetic number, because the mean of its divisors is an integer number (4577328).

Almost surely, 2^57033812 is an apocalyptic number.

It is an amenable number.

57033812 is a deficient number, since it is larger than the sum of its proper divisors (52822060).

57033812 is a wasteful number, since it uses less digits than its factorization.

57033812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11599 (or 11597 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 57033812 is about 7552.0733576946. The cubic root of 57033812 is about 384.9261948814.

Adding to 57033812 its reverse (21833075), we get a palindrome (78866887).

The spelling of 57033812 in words is "fifty-seven million, thirty-three thousand, eight hundred twelve".