53432609 has 2 divisors, whose sum is σ = 53432610. Its totient is φ = 53432608.

The previous prime is 53432593. The next prime is 53432647. The reversal of 53432609 is 90623435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37552384 + 15880225 = 6128^2 + 3985^2 .

It is a cyclic number.

It is not a de Polignac number, because 53432609 - 2⁴ = 53432593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53432669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26716304 + 26716305.

It is an arithmetic number, because the mean of its divisors is an integer number (26716305).

Almost surely, 2^53432609 is an apocalyptic number.

It is an amenable number.

53432609 is a deficient number, since it is larger than the sum of its proper divisors (1).

53432609 is an equidigital number, since it uses as much as digits as its factorization.

53432609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 53432609 is about 7309.7612136102. The cubic root of 53432609 is about 376.6478217354.

The spelling of 53432609 in words is "fifty-three million, four hundred thirty-two thousand, six hundred nine".