49505 has 4 divisors (see below), whose sum is σ = 59412. Its totient is φ = 39600.

The previous prime is 49499. The next prime is 49523. The reversal of 49505 is 50594.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35344 + 14161 = 188^2 + 119^2 .

It is not a de Polignac number, because 49505 - 2¹⁰ = 48481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4946 + ... + 4955.

It is an arithmetic number, because the mean of its divisors is an integer number (14853).

2⁴⁹⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

49505 is a deficient number, since it is larger than the sum of its proper divisors (9907).

49505 is an equidigital number, since it uses as much as digits as its factorization.

49505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9906.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 49505 is about 222.4971909935. The cubic root of 49505 is about 36.7183385347.

Adding to 49505 its product of nonzero digits (900), we get a palindrome (50405).

Subtracting 49505 from its reverse (50594), we obtain a square (1089 = 33²).

The spelling of 49505 in words is "forty-nine thousand, five hundred five".