448352551 has 4 divisors (see below), whose sum is σ = 449683312. Its totient is φ = 447021792.

The previous prime is 448352549. The next prime is 448352561. The reversal of 448352551 is 155253844.

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

It is a cyclic number.

It is not a de Polignac number, because 448352551 - 2¹ = 448352549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 448352551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448352561) 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, 664875 + ... + 665548.

It is an arithmetic number, because the mean of its divisors is an integer number (112420828).

Almost surely, 2^448352551 is an apocalyptic number.

448352551 is a deficient number, since it is larger than the sum of its proper divisors (1330761).

448352551 is a wasteful number, since it uses less digits than its factorization.

448352551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330760.

The product of its digits is 96000, while the sum is 37.

The square root of 448352551 is about 21174.3370852549. The cubic root of 448352551 is about 765.3731364935.

The spelling of 448352551 in words is "four hundred forty-eight million, three hundred fifty-two thousand, five hundred fifty-one".