49527169 has 2 divisors, whose sum is σ = 49527170. Its totient is φ = 49527168.

The previous prime is 49527161. The next prime is 49527173. The reversal of 49527169 is 96172594.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29160000 + 20367169 = 5400^2 + 4513^2 .

It is a cyclic number.

It is not a de Polignac number, because 49527169 - 2³ = 49527161 is a prime.

It is a super-2 number, since 2×49527169² = 4905880938309122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49527161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24763584 + 24763585.

It is an arithmetic number, because the mean of its divisors is an integer number (24763585).

Almost surely, 2^49527169 is an apocalyptic number.

It is an amenable number.

49527169 is a deficient number, since it is larger than the sum of its proper divisors (1).

49527169 is an equidigital number, since it uses as much as digits as its factorization.

49527169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 49527169 is about 7037.5541916208. The cubic root of 49527169 is about 367.2381870417.

It can be divided in two parts, 4952 and 7169, that added together give a palindrome (12121).

The spelling of 49527169 in words is "forty-nine million, five hundred twenty-seven thousand, one hundred sixty-nine".