49105 has 16 divisors (see below), whose sum is σ = 71424. Its totient is φ = 31680.

The previous prime is 49103. The next prime is 49109. The reversal of 49105 is 50194.

It is not a de Polignac number, because 49105 - 2¹ = 49103 is a prime.

It is a super-2 number, since 2×49105² = 4822602050, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (49103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775 + ... + 835.

It is an arithmetic number, because the mean of its divisors is an integer number (4464).

2⁴⁹¹⁰⁵ is an apocalyptic number.

It is an amenable number.

49105 is a deficient number, since it is larger than the sum of its proper divisors (22319).

49105 is a wasteful number, since it uses less digits than its factorization.

49105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 49105 is about 221.5964801164. The cubic root of 49105 is about 36.6191763504.

Adding to 49105 its reverse (50194), we get a palindrome (99299).

Subtracting 49105 from its reverse (50194), we obtain a square (1089 = 33²).

The spelling of 49105 in words is "forty-nine thousand, one hundred five".