53432447 has 2 divisors, whose sum is σ = 53432448. Its totient is φ = 53432446.

The previous prime is 53432419. The next prime is 53432459. The reversal of 53432447 is 74423435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53432447 - 2⁸ = 53432191 is a prime.

It is equal to p_3194393 and since 53432447 and 3194393 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53432497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26716223 + 26716224.

It is an arithmetic number, because the mean of its divisors is an integer number (26716224).

Almost surely, 2^53432447 is an apocalyptic number.

53432447 is a deficient number, since it is larger than the sum of its proper divisors (1).

53432447 is an equidigital number, since it uses as much as digits as its factorization.

53432447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 32.

The square root of 53432447 is about 7309.7501325285. The cubic root of 53432447 is about 376.6474410876.

The spelling of 53432447 in words is "fifty-three million, four hundred thirty-two thousand, four hundred forty-seven".