53089489 has 2 divisors, whose sum is σ = 53089490. Its totient is φ = 53089488.

The previous prime is 53089481. The next prime is 53089507. The reversal of 53089489 is 98498035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51955264 + 1134225 = 7208^2 + 1065^2 .

It is a cyclic number.

It is not a de Polignac number, because 53089489 - 2³ = 53089481 is a prime.

It is a super-2 number, since 2×53089489² = 5636987684562242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53089481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26544744 + 26544745.

It is an arithmetic number, because the mean of its divisors is an integer number (26544745).

Almost surely, 2^53089489 is an apocalyptic number.

It is an amenable number.

53089489 is a deficient number, since it is larger than the sum of its proper divisors (1).

53089489 is an equidigital number, since it uses as much as digits as its factorization.

53089489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 53089489 is about 7286.2534268306. The cubic root of 53089489 is about 375.8398692850.

The spelling of 53089489 in words is "fifty-three million, eighty-nine thousand, four hundred eighty-nine".