53447347 has 2 divisors, whose sum is σ = 53447348. Its totient is φ = 53447346.

The previous prime is 53447327. The next prime is 53447363. The reversal of 53447347 is 74374435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53447347 - 2¹¹ = 53445299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53447327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26723673 + 26723674.

It is an arithmetic number, because the mean of its divisors is an integer number (26723674).

Almost surely, 2^53447347 is an apocalyptic number.

53447347 is a deficient number, since it is larger than the sum of its proper divisors (1).

53447347 is an equidigital number, since it uses as much as digits as its factorization.

53447347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 37.

The square root of 53447347 is about 7310.7692481708. The cubic root of 53447347 is about 376.6824480644.

The spelling of 53447347 in words is "fifty-three million, four hundred forty-seven thousand, three hundred forty-seven".