57065133 has 16 divisors (see below), whose sum is σ = 77163840. Its totient is φ = 37508736.

The previous prime is 57065131. The next prime is 57065147. The reversal of 57065133 is 33156075.

It is not a de Polignac number, because 57065133 - 2¹ = 57065131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57065133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57065131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124641 + ... + 125097.

It is an arithmetic number, because the mean of its divisors is an integer number (4822740).

Almost surely, 2^57065133 is an apocalyptic number.

It is an amenable number.

57065133 is a deficient number, since it is larger than the sum of its proper divisors (20098707).

57065133 is a wasteful number, since it uses less digits than its factorization.

57065133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 57065133 is about 7554.1467420219. The cubic root of 57065133 is about 384.9966447113.

It can be divided in two parts, 570 and 65133, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 57065133 in words is "fifty-seven million, sixty-five thousand, one hundred thirty-three".