50949 has 20 divisors (see below), whose sum is σ = 82764. Its totient is φ = 31104.

The previous prime is 50929. The next prime is 50951. The reversal of 50949 is 94905.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42849 + 8100 = 207^2 + 90^2 .

It is not a de Polignac number, because 50949 - 2⁷ = 50821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50909) 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 19 ways as a sum of consecutive naturals, for example, 1359 + ... + 1395.

2⁵⁰⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

50949 is a deficient number, since it is larger than the sum of its proper divisors (31815).

50949 is a wasteful number, since it uses less digits than its factorization.

50949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 50949 is about 225.7188516717. The cubic root of 50949 is about 37.0719321373.

Subtracting 50949 from its reverse (94905), we obtain a triangular number (43956 = T₂₉₆).

It can be divided in two parts, 50 and 949, that added together give a palindrome (999).

The spelling of 50949 in words is "fifty thousand, nine hundred forty-nine".