57545213 has 8 divisors (see below), whose sum is σ = 62832000. Its totient is φ = 52267680.

The previous prime is 57545197. The next prime is 57545219. The reversal of 57545213 is 31254575.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57545213 - 2⁴ = 57545197 is a prime.

It is a super-2 number, since 2×57545213² = 6622903078430738, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57545213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57545219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20681 + ... + 23297.

It is an arithmetic number, because the mean of its divisors is an integer number (7854000).

Almost surely, 2^57545213 is an apocalyptic number.

It is an amenable number.

57545213 is a deficient number, since it is larger than the sum of its proper divisors (5286787).

57545213 is a wasteful number, since it uses less digits than its factorization.

57545213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627.

The product of its digits is 21000, while the sum is 32.

The square root of 57545213 is about 7585.8561151659. The cubic root of 57545213 is about 386.0732699377.

Adding to 57545213 its reverse (31254575), we get a palindrome (88799788).

The spelling of 57545213 in words is "fifty-seven million, five hundred forty-five thousand, two hundred thirteen".