49181 has 8 divisors (see below), whose sum is σ = 57024. Its totient is φ = 41920.

The previous prime is 49177. The next prime is 49193. The reversal of 49181 is 18194.

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 49181 - 2² = 49177 is a prime.

It is a super-2 number, since 2×49181² = 4837541522, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 49181.

It is not an unprimeable number, because it can be changed into a prime (49121) 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, 56 + ... + 318.

It is an arithmetic number, because the mean of its divisors is an integer number (7128).

2⁴⁹¹⁸¹ is an apocalyptic number.

It is an amenable number.

49181 is a deficient number, since it is larger than the sum of its proper divisors (7843).

49181 is a wasteful number, since it uses less digits than its factorization.

49181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291.

The product of its digits is 288, while the sum is 23.

The square root of 49181 is about 221.7678966848. The cubic root of 49181 is about 36.6380584931.

The spelling of 49181 in words is "forty-nine thousand, one hundred eighty-one".