53259889 has 2 divisors, whose sum is σ = 53259890. Its totient is φ = 53259888.

The previous prime is 53259847. The next prime is 53259917. The reversal of 53259889 is 98895235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31169889 + 22090000 = 5583^2 + 4700^2 .

It is a cyclic number.

It is not a de Polignac number, because 53259889 - 2⁹ = 53259377 is a prime.

It is not a weakly prime, because it can be changed into another prime (53259809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26629944 + 26629945.

It is an arithmetic number, because the mean of its divisors is an integer number (26629945).

Almost surely, 2^53259889 is an apocalyptic number.

It is an amenable number.

53259889 is a deficient number, since it is larger than the sum of its proper divisors (1).

53259889 is an equidigital number, since it uses as much as digits as its factorization.

53259889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 49.

The square root of 53259889 is about 7297.9373113230. The cubic root of 53259889 is about 376.2415477695.

The spelling of 53259889 in words is "fifty-three million, two hundred fifty-nine thousand, eight hundred eighty-nine".