57065444 has 6 divisors (see below), whose sum is σ = 99864534. Its totient is φ = 28532720.

The previous prime is 57065443. The next prime is 57065479. The reversal of 57065444 is 44456075.

It can be written as a sum of positive squares in only one way, i.e., 39942400 + 17123044 = 6320^2 + 4138^2 .

It is not an unprimeable number, because it can be changed into a prime (57065443) 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 as a sum of consecutive naturals, namely, 7133177 + ... + 7133184.

It is an arithmetic number, because the mean of its divisors is an integer number (16644089).

Almost surely, 2^57065444 is an apocalyptic number.

It is an amenable number.

57065444 is a deficient number, since it is larger than the sum of its proper divisors (42799090).

57065444 is a wasteful number, since it uses less digits than its factorization.

57065444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14266365 (or 14266363 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 57065444 is about 7554.1673267144. The cubic root of 57065444 is about 384.9973441094.

The spelling of 57065444 in words is "fifty-seven million, sixty-five thousand, four hundred forty-four".