49182169 has 3 divisors (see below), whose sum is σ = 49189183. Its totient is φ = 49175156.

The previous prime is 49182149. The next prime is 49182187. The reversal of 49182169 is 96128194.

The square root of 49182169 is 7013.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96128194 = 2 ⋅48064097.

It can be written as a sum of positive squares in only one way, i.e., 41409225 + 7772944 = 6435^2 + 2788^2 .

It is not a de Polignac number, because 49182169 - 2¹¹ = 49180121 is a prime.

It is a super-2 number, since 2×49182169² = 4837771495089122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49182109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3507 + ... + 10519.

Almost surely, 2^49182169 is an apocalyptic number.

49182169 is the 7013-rd square number.

49182169 is the 3507-th centered octagonal number.

It is an amenable number.

49182169 is a deficient number, since it is larger than the sum of its proper divisors (7014).

49182169 is an frugal number, since it uses more digits than its factorization.

49182169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14026 (or 7013 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The cubic root of 49182169 is about 366.3834877835.

The spelling of 49182169 in words is "forty-nine million, one hundred eighty-two thousand, one hundred sixty-nine".