49649 has 4 divisors (see below), whose sum is σ = 50160. Its totient is φ = 49140.

The previous prime is 49639. The next prime is 49663. The reversal of 49649 is 94694.

It is a happy number.

49649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 49649 - 2⁴ = 49633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59 + ... + 320.

It is an arithmetic number, because the mean of its divisors is an integer number (12540).

2⁴⁹⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

49649 is a deficient number, since it is larger than the sum of its proper divisors (511).

49649 is a wasteful number, since it uses less digits than its factorization.

49649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510.

The product of its digits is 7776, while the sum is 32.

The square root of 49649 is about 222.8205556047. The cubic root of 49649 is about 36.7539061361.

It can be divided in two parts, 496 and 49, that added together give a palindrome (545).

The spelling of 49649 in words is "forty-nine thousand, six hundred forty-nine".