447853064550 has 96 divisors (see below), whose sum is σ = 1147120579584. Its totient is φ = 115512816000.

The previous prime is 447853064539. The next prime is 447853064569. The reversal of 447853064550 is 55460358744.

It is a junction number, because it is equal to n+sod(n) for n = 447853064493 and 447853064502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8954212 + ... + 9004088.

It is an arithmetic number, because the mean of its divisors is an integer number (11949172704).

Almost surely, 2^447853064550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447853064550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573560289792).

447853064550 is an abundant number, since it is smaller than the sum of its proper divisors (699267515034).

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

447853064550 is a wasteful number, since it uses less digits than its factorization.

447853064550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51854 (or 51849 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 51.

The spelling of 447853064550 in words is "four hundred forty-seven billion, eight hundred fifty-three million, sixty-four thousand, five hundred fifty".