53297789 has 2 divisors, whose sum is σ = 53297790. Its totient is φ = 53297788.

The previous prime is 53297753. The next prime is 53297813. The reversal of 53297789 is 98779235.

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., 52852900 + 444889 = 7270^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 53297789 - 2¹² = 53293693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53297749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26648894 + 26648895.

It is an arithmetic number, because the mean of its divisors is an integer number (26648895).

Almost surely, 2^53297789 is an apocalyptic number.

It is an amenable number.

53297789 is a deficient number, since it is larger than the sum of its proper divisors (1).

53297789 is an equidigital number, since it uses as much as digits as its factorization.

53297789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 50.

The square root of 53297789 is about 7300.5334736579. The cubic root of 53297789 is about 376.3307717232.

The spelling of 53297789 in words is "fifty-three million, two hundred ninety-seven thousand, seven hundred eighty-nine".