57184381 has 8 divisors (see below), whose sum is σ = 58681728. Its totient is φ = 55692000.

The previous prime is 57184363. The next prime is 57184397. The reversal of 57184381 is 18348175.

57184381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57184381 is a prime.

It is a super-2 number, since 2×57184381² = 6540106860706322, which contains 22 as substring.

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 57184381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57184301) 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 7 ways as a sum of consecutive naturals, for example, 36586 + ... + 38116.

It is an arithmetic number, because the mean of its divisors is an integer number (7335216).

Almost surely, 2^57184381 is an apocalyptic number.

It is an amenable number.

57184381 is a deficient number, since it is larger than the sum of its proper divisors (1497347).

57184381 is a wasteful number, since it uses less digits than its factorization.

57184381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its digits is 26880, while the sum is 37.

The square root of 57184381 is about 7562.0355063964. The cubic root of 57184381 is about 385.2646316903.

The spelling of 57184381 in words is "fifty-seven million, one hundred eighty-four thousand, three hundred eighty-one".