47643803 has 4 divisors (see below), whose sum is σ = 47697240. Its totient is φ = 47590368.

The previous prime is 47643797. The next prime is 47643829. The reversal of 47643803 is 30834674.

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 47643803 - 2²⁴ = 30866587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47643103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25358 + ... + 27171.

It is an arithmetic number, because the mean of its divisors is an integer number (11924310).

Almost surely, 2^47643803 is an apocalyptic number.

47643803 is a deficient number, since it is larger than the sum of its proper divisors (53437).

47643803 is an equidigital number, since it uses as much as digits as its factorization.

47643803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53436.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 47643803 is about 6902.4490581242. The cubic root of 47643803 is about 362.5229233225.

The spelling of 47643803 in words is "forty-seven million, six hundred forty-three thousand, eight hundred three".