57043269 has 6 divisors (see below), whose sum is σ = 82395846. Its totient is φ = 38028840.

The previous prime is 57043253. The next prime is 57043321. The reversal of 57043269 is 96234075.

57043269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30107169 + 26936100 = 5487^2 + 5190^2 .

It is not a de Polignac number, because 57043269 - 2⁴ = 57043253 is a prime.

It is a super-2 number, since 2×57043269² = 6507869076412722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57043229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3169062 + ... + 3169079.

It is an arithmetic number, because the mean of its divisors is an integer number (13732641).

Almost surely, 2^57043269 is an apocalyptic number.

It is an amenable number.

57043269 is a deficient number, since it is larger than the sum of its proper divisors (25352577).

57043269 is a wasteful number, since it uses less digits than its factorization.

57043269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338147 (or 6338144 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 57043269 is about 7552.6994511896. The cubic root of 57043269 is about 384.9474690795.

The spelling of 57043269 in words is "fifty-seven million, forty-three thousand, two hundred sixty-nine".