53913589 has 2 divisors, whose sum is σ = 53913590. Its totient is φ = 53913588.

The previous prime is 53913577. The next prime is 53913623. The reversal of 53913589 is 98531935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53363025 + 550564 = 7305^2 + 742^2 .

It is a cyclic number.

It is not a de Polignac number, because 53913589 - 2⁹ = 53913077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53913289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26956794 + 26956795.

It is an arithmetic number, because the mean of its divisors is an integer number (26956795).

Almost surely, 2^53913589 is an apocalyptic number.

It is an amenable number.

53913589 is a deficient number, since it is larger than the sum of its proper divisors (1).

53913589 is an equidigital number, since it uses as much as digits as its factorization.

53913589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 43.

The square root of 53913589 is about 7342.5873505189. The cubic root of 53913589 is about 377.7745942991.

The spelling of 53913589 in words is "fifty-three million, nine hundred thirteen thousand, five hundred eighty-nine".