449550 has 72 divisors (see below), whose sum is σ = 1286376. Its totient is φ = 116640.

The previous prime is 449549. The next prime is 449557. The reversal of 449550 is 55944.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449557) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12132 + ... + 12168.

2⁴⁴⁹⁵⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643188).

449550 is an abundant number, since it is smaller than the sum of its proper divisors (836826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449550 is a wasteful number, since it uses less digits than its factorization.

449550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 449550 is about 670.4848991588. The cubic root of 449550 is about 76.6053910723.

It can be divided in two parts, 449 and 550, that added together give a palindrome (999).

The spelling of 449550 in words is "four hundred forty-nine thousand, five hundred fifty".