49169 has 2 divisors, whose sum is σ = 49170. Its totient is φ = 49168.

The previous prime is 49157. The next prime is 49171. The reversal of 49169 is 96194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44944 + 4225 = 212^2 + 65^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49169 is a prime.

It is a super-2 number, since 2×49169² = 4835181122, which contains 22 as substring.

Together with 49171, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (49109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24584 + 24585.

It is an arithmetic number, because the mean of its divisors is an integer number (24585).

2⁴⁹¹⁶⁹ is an apocalyptic number.

It is an amenable number.

49169 is a deficient number, since it is larger than the sum of its proper divisors (1).

49169 is an equidigital number, since it uses as much as digits as its factorization.

49169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 49169 is about 221.7408397206. The cubic root of 49169 is about 36.6350783960.

It can be divided in two parts, 4916 and 9, that multiplied together give a palindrome (44244).

The spelling of 49169 in words is "forty-nine thousand, one hundred sixty-nine".