56449 has 4 divisors (see below), whose sum is σ = 59440. Its totient is φ = 53460.

The previous prime is 56443. The next prime is 56453. The reversal of 56449 is 94465.

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.

It is a cyclic number.

It is not a de Polignac number, because 56449 - 2⁵ = 56417 is a prime.

It is a Duffinian number.

56449 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (56443) 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, 1467 + ... + 1504.

It is an arithmetic number, because the mean of its divisors is an integer number (14860).

2⁵⁶⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

56449 is a deficient number, since it is larger than the sum of its proper divisors (2991).

56449 is a wasteful number, since it uses less digits than its factorization.

56449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990.

The product of its digits is 4320, while the sum is 28.

The square root of 56449 is about 237.5899829538. The cubic root of 56449 is about 38.3606023153.

It can be divided in two parts, 56 and 449, that added together give a palindrome (505).

The spelling of 56449 in words is "fifty-six thousand, four hundred forty-nine".