448551559 has 4 divisors (see below), whose sum is σ = 448690504. Its totient is φ = 448412616.

The previous prime is 448551553. The next prime is 448551673. The reversal of 448551559 is 955155844.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448551559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448551553) 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, 64512 + ... + 71125.

It is an arithmetic number, because the mean of its divisors is an integer number (112172626).

Almost surely, 2^448551559 is an apocalyptic number.

448551559 is a deficient number, since it is larger than the sum of its proper divisors (138945).

448551559 is a wasteful number, since it uses less digits than its factorization.

448551559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138944.

The product of its digits is 720000, while the sum is 46.

The square root of 448551559 is about 21179.0358373558. The cubic root of 448551559 is about 765.4863605226.

The spelling of 448551559 in words is "four hundred forty-eight million, five hundred fifty-one thousand, five hundred fifty-nine".