53247143 has 2 divisors, whose sum is σ = 53247144. Its totient is φ = 53247142.

The previous prime is 53247137. The next prime is 53247157. The reversal of 53247143 is 34174235.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53247143 - 2⁴ = 53247127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53247133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26623571 + 26623572.

It is an arithmetic number, because the mean of its divisors is an integer number (26623572).

Almost surely, 2^53247143 is an apocalyptic number.

53247143 is a deficient number, since it is larger than the sum of its proper divisors (1).

53247143 is an equidigital number, since it uses as much as digits as its factorization.

53247143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 53247143 is about 7297.0639986230. The cubic root of 53247143 is about 376.2115317013.

The spelling of 53247143 in words is "fifty-three million, two hundred forty-seven thousand, one hundred forty-three".