53323609 has 2 divisors, whose sum is σ = 53323610. Its totient is φ = 53323608.

The previous prime is 53323583. The next prime is 53323631. The reversal of 53323609 is 90632335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26749584 + 26574025 = 5172^2 + 5155^2 .

It is a cyclic number.

It is not a de Polignac number, because 53323609 - 2⁹ = 53323097 is a prime.

It is not a weakly prime, because it can be changed into another prime (53323649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26661804 + 26661805.

It is an arithmetic number, because the mean of its divisors is an integer number (26661805).

Almost surely, 2^53323609 is an apocalyptic number.

It is an amenable number.

53323609 is a deficient number, since it is larger than the sum of its proper divisors (1).

53323609 is an equidigital number, since it uses as much as digits as its factorization.

53323609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 53323609 is about 7302.3016234609. The cubic root of 53323609 is about 376.3915327918.

It can be divided in two parts, 533 and 23609, that added together give a palindrome (24142).

The spelling of 53323609 in words is "fifty-three million, three hundred twenty-three thousand, six hundred nine".