52343989 has 2 divisors, whose sum is σ = 52343990. Its totient is φ = 52343988.

The previous prime is 52343983. The next prime is 52344007. The reversal of 52343989 is 98934325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51408900 + 935089 = 7170^2 + 967^2 .

It is a cyclic number.

It is not a de Polignac number, because 52343989 - 2³ = 52343981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52343981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26171994 + 26171995.

It is an arithmetic number, because the mean of its divisors is an integer number (26171995).

Almost surely, 2^52343989 is an apocalyptic number.

It is an amenable number.

52343989 is a deficient number, since it is larger than the sum of its proper divisors (1).

52343989 is an equidigital number, since it uses as much as digits as its factorization.

52343989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The square root of 52343989 is about 7234.9145813893. The cubic root of 52343989 is about 374.0723477148.

The spelling of 52343989 in words is "fifty-two million, three hundred forty-three thousand, nine hundred eighty-nine".