57693443 has 4 divisors (see below), whose sum is σ = 60729960. Its totient is φ = 54656928.

The previous prime is 57693439. The next prime is 57693451. The reversal of 57693443 is 34439675.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57693443 - 2² = 57693439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57693443.

It is not an unprimeable number, because it can be changed into a prime (57693403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1518230 + ... + 1518267.

It is an arithmetic number, because the mean of its divisors is an integer number (15182490).

Almost surely, 2^57693443 is an apocalyptic number.

57693443 is a deficient number, since it is larger than the sum of its proper divisors (3036517).

57693443 is a wasteful number, since it uses less digits than its factorization.

57693443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036516.

The product of its digits is 272160, while the sum is 41.

The square root of 57693443 is about 7595.6199878614. The cubic root of 57693443 is about 386.4044794956.

The spelling of 57693443 in words is "fifty-seven million, six hundred ninety-three thousand, four hundred forty-three".