49769 has 4 divisors (see below), whose sum is σ = 50244. Its totient is φ = 49296.

The previous prime is 49757. The next prime is 49783. The reversal of 49769 is 96794.

It is a happy 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: 96794 = 2 ⋅48397.

It can be written as a sum of positive squares in 2 ways, for example, as 7744 + 42025 = 88^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 49769 - 2¹² = 45673 is a prime.

It is a super-2 number, since 2×49769² = 4953906722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 315.

It is an arithmetic number, because the mean of its divisors is an integer number (12561).

2⁴⁹⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

49769 is a deficient number, since it is larger than the sum of its proper divisors (475).

49769 is a wasteful number, since it uses less digits than its factorization.

49769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its digits is 13608, while the sum is 35.

The square root of 49769 is about 223.0896680709. The cubic root of 49769 is about 36.7834933059.

It can be divided in two parts, 49 and 769, that added together give a palindrome (818).

The spelling of 49769 in words is "forty-nine thousand, seven hundred sixty-nine".