57004613 has 4 divisors (see below), whose sum is σ = 57168300. Its totient is φ = 56840928.

The previous prime is 57004601. The next prime is 57004631. The reversal of 57004613 is 31640075.

57004613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52085089 + 4919524 = 7217^2 + 2218^2 .

It is a cyclic number.

It is not a de Polignac number, because 57004613 - 2¹⁴ = 56988229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57004513) 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 3 ways as a sum of consecutive naturals, for example, 81320 + ... + 82017.

It is an arithmetic number, because the mean of its divisors is an integer number (14292075).

Almost surely, 2^57004613 is an apocalyptic number.

It is an amenable number.

57004613 is a deficient number, since it is larger than the sum of its proper divisors (163687).

57004613 is a wasteful number, since it uses less digits than its factorization.

57004613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163686.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 57004613 is about 7550.1399324781. The cubic root of 57004613 is about 384.8604947983.

Adding to 57004613 its reverse (31640075), we get a palindrome (88644688).

The spelling of 57004613 in words is "fifty-seven million, four thousand, six hundred thirteen".