57331443 has 16 divisors (see below), whose sum is σ = 82724096. Its totient is φ = 35108640.

The previous prime is 57331423. The next prime is 57331447. The reversal of 57331443 is 34413375.

It is not a de Polignac number, because 57331443 - 2⁵ = 57331411 is a prime.

It is a super-3 number, since 3×57331443³ (a number of 24 digits) contains 333 as substring.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 57331443.

It is not an unprimeable number, because it can be changed into a prime (57331447) 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, 4746 + ... + 11712.

It is an arithmetic number, because the mean of its divisors is an integer number (5170256).

Almost surely, 2^57331443 is an apocalyptic number.

57331443 is a deficient number, since it is larger than the sum of its proper divisors (25392653).

57331443 is a wasteful number, since it uses less digits than its factorization.

57331443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7194.

The product of its digits is 15120, while the sum is 30.

The square root of 57331443 is about 7571.7529674442. The cubic root of 57331443 is about 385.5946127463.

The spelling of 57331443 in words is "fifty-seven million, three hundred thirty-one thousand, four hundred forty-three".