53280653 has 2 divisors, whose sum is σ = 53280654. Its totient is φ = 53280652.

The previous prime is 53280637. The next prime is 53280671. The reversal of 53280653 is 35608235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43059844 + 10220809 = 6562^2 + 3197^2 .

It is a cyclic number.

It is not a de Polignac number, because 53280653 - 2⁴ = 53280637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_3185852 and since 53280653 and 3185852 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 (53280683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26640326 + 26640327.

It is an arithmetic number, because the mean of its divisors is an integer number (26640327).

Almost surely, 2^53280653 is an apocalyptic number.

It is an amenable number.

53280653 is a deficient number, since it is larger than the sum of its proper divisors (1).

53280653 is an equidigital number, since it uses as much as digits as its factorization.

53280653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 53280653 is about 7299.3597664453. The cubic root of 53280653 is about 376.2904354949.

Adding to 53280653 its reverse (35608235), we get a palindrome (88888888).

The spelling of 53280653 in words is "fifty-three million, two hundred eighty thousand, six hundred fifty-three".