47664453 has 8 divisors (see below), whose sum is σ = 65602816. Its totient is φ = 30751200.

The previous prime is 47664443. The next prime is 47664457. The reversal of 47664453 is 35446674.

It is a happy number.

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

It is not a de Polignac number, because 47664453 - 2¹² = 47660357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47664457) 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, 256168 + ... + 256353.

It is an arithmetic number, because the mean of its divisors is an integer number (8200352).

Almost surely, 2^47664453 is an apocalyptic number.

It is an amenable number.

47664453 is a deficient number, since it is larger than the sum of its proper divisors (17938363).

47664453 is a wasteful number, since it uses less digits than its factorization.

47664453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512555.

The product of its digits is 241920, while the sum is 39.

The square root of 47664453 is about 6903.9447419573. The cubic root of 47664453 is about 362.5752912179.

The spelling of 47664453 in words is "forty-seven million, six hundred sixty-four thousand, four hundred fifty-three".