53432647 has 2 divisors, whose sum is σ = 53432648. Its totient is φ = 53432646.

The previous prime is 53432609. The next prime is 53432669. The reversal of 53432647 is 74623435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53432647 - 2¹¹ = 53430599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53432147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26716323 + 26716324.

It is an arithmetic number, because the mean of its divisors is an integer number (26716324).

Almost surely, 2^53432647 is an apocalyptic number.

53432647 is a deficient number, since it is larger than the sum of its proper divisors (1).

53432647 is an equidigital number, since it uses as much as digits as its factorization.

53432647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 34.

The square root of 53432647 is about 7309.7638128738. The cubic root of 53432647 is about 376.6479110230.

The spelling of 53432647 in words is "fifty-three million, four hundred thirty-two thousand, six hundred forty-seven".