57564943 has 16 divisors (see below), whose sum is σ = 61236000. Its totient is φ = 54046720.

The previous prime is 57564911. The next prime is 57564959. The reversal of 57564943 is 34946575.

It is a cyclic number.

It is not a de Polignac number, because 57564943 - 2⁵ = 57564911 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 57564943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57564973) 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, 127983 + ... + 128431.

It is an arithmetic number, because the mean of its divisors is an integer number (3827250).

Almost surely, 2^57564943 is an apocalyptic number.

57564943 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

57564943 is a deficient number, since it is larger than the sum of its proper divisors (3671057).

57564943 is a wasteful number, since it uses less digits than its factorization.

57564943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

The product of its digits is 453600, while the sum is 43.

The square root of 57564943 is about 7587.1564502124. The cubic root of 57564943 is about 386.1173880310.

The spelling of 57564943 in words is "fifty-seven million, five hundred sixty-four thousand, nine hundred forty-three".