47685853 has 2 divisors, whose sum is σ = 47685854. Its totient is φ = 47685852.

The previous prime is 47685823. The next prime is 47685917. The reversal of 47685853 is 35858674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34421689 + 13264164 = 5867^2 + 3642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47685853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47685823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23842926 + 23842927.

It is an arithmetic number, because the mean of its divisors is an integer number (23842927).

Almost surely, 2^47685853 is an apocalyptic number.

It is an amenable number.

47685853 is a deficient number, since it is larger than the sum of its proper divisors (1).

47685853 is an equidigital number, since it uses as much as digits as its factorization.

47685853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 46.

The square root of 47685853 is about 6905.4944066301. The cubic root of 47685853 is about 362.6295451382.

The spelling of 47685853 in words is "forty-seven million, six hundred eighty-five thousand, eight hundred fifty-three".