57381853 has 4 divisors (see below), whose sum is σ = 57918240. Its totient is φ = 56845468.

The previous prime is 57381847. The next prime is 57381893. The reversal of 57381853 is 35818375.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57381853 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57381833) 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 3 ways as a sum of consecutive naturals, for example, 268033 + ... + 268246.

It is an arithmetic number, because the mean of its divisors is an integer number (14479560).

Almost surely, 2^57381853 is an apocalyptic number.

It is an amenable number.

57381853 is a deficient number, since it is larger than the sum of its proper divisors (536387).

57381853 is a wasteful number, since it uses less digits than its factorization.

57381853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536386.

The product of its digits is 100800, while the sum is 40.

The square root of 57381853 is about 7575.0810556719. The cubic root of 57381853 is about 385.7075939724.

The spelling of 57381853 in words is "fifty-seven million, three hundred eighty-one thousand, eight hundred fifty-three".