49111 has 4 divisors (see below), whose sum is σ = 49912. Its totient is φ = 48312.

The previous prime is 49109. The next prime is 49117. The reversal of 49111 is 11194.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 49111 - 2¹ = 49109 is a prime.

It is a Duffinian number.

49111 is a modest number, since divided by 111 gives 49 as remainder.

49111 is a lucky number.

It is a nialpdrome in base 15.

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 49111.

It is not an unprimeable number, because it can be changed into a prime (49117) 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, 300 + ... + 433.

It is an arithmetic number, because the mean of its divisors is an integer number (12478).

2⁴⁹¹¹¹ is an apocalyptic number.

49111 is a deficient number, since it is larger than the sum of its proper divisors (801).

49111 is an equidigital number, since it uses as much as digits as its factorization.

49111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800.

The product of its digits is 36, while the sum is 16.

The square root of 49111 is about 221.6100178241. The cubic root of 49111 is about 36.6206677539.

The spelling of 49111 in words is "forty-nine thousand, one hundred eleven".