447747053 has 8 divisors (see below), whose sum is σ = 487161528. Its totient is φ = 409042944.

The previous prime is 447747031. The next prime is 447747059. The reversal of 447747053 is 350747744.

It can be written as a sum of positive squares in 4 ways, for example, as 34316164 + 413430889 = 5858^2 + 20333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 447747053 - 2¹⁶ = 447681517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 447747053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447747059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176276 + ... + 178797.

It is an arithmetic number, because the mean of its divisors is an integer number (60895191).

Almost surely, 2^447747053 is an apocalyptic number.

It is an amenable number.

447747053 is a deficient number, since it is larger than the sum of its proper divisors (39414475).

447747053 is a wasteful number, since it uses less digits than its factorization.

447747053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355183.

The product of its (nonzero) digits is 329280, while the sum is 41.

The square root of 447747053 is about 21160.0343336205. The cubic root of 447747053 is about 765.0284370080.

The spelling of 447747053 in words is "four hundred forty-seven million, seven hundred forty-seven thousand, fifty-three".