53434609 has 2 divisors, whose sum is σ = 53434610. Its totient is φ = 53434608.

The previous prime is 53434567. The next prime is 53434627. The reversal of 53434609 is 90643435.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31080625 + 22353984 = 5575^2 + 4728^2 .

It is a cyclic number.

It is not a de Polignac number, because 53434609 - 2⁹ = 53434097 is a prime.

It is not a weakly prime, because it can be changed into another prime (53434699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26717304 + 26717305.

It is an arithmetic number, because the mean of its divisors is an integer number (26717305).

Almost surely, 2^53434609 is an apocalyptic number.

It is an amenable number.

53434609 is a deficient number, since it is larger than the sum of its proper divisors (1).

53434609 is an equidigital number, since it uses as much as digits as its factorization.

53434609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 53434609 is about 7309.8980157045. The cubic root of 53434609 is about 376.6525210271.

The spelling of 53434609 in words is "fifty-three million, four hundred thirty-four thousand, six hundred nine".