57073289 has 12 divisors (see below), whose sum is σ = 71499204. Its totient is φ = 45156384.

The previous prime is 57073273. The next prime is 57073333. The reversal of 57073289 is 98237075.

It can be written as a sum of positive squares in 2 ways, for example, as 37002889 + 20070400 = 6083^2 + 4480^2 .

It is not a de Polignac number, because 57073289 - 2⁴ = 57073273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57073259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44162 + ... + 45435.

It is an arithmetic number, because the mean of its divisors is an integer number (5958267).

Almost surely, 2^57073289 is an apocalyptic number.

It is an amenable number.

57073289 is a deficient number, since it is larger than the sum of its proper divisors (14425915).

57073289 is a wasteful number, since it uses less digits than its factorization.

57073289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89624 (or 89617 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 57073289 is about 7554.6865586866. The cubic root of 57073289 is about 385.0149856426.

The spelling of 57073289 in words is "fifty-seven million, seventy-three thousand, two hundred eighty-nine".