53539559 has 2 divisors, whose sum is σ = 53539560. Its totient is φ = 53539558.

The previous prime is 53539553. The next prime is 53539567. The reversal of 53539559 is 95593535.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53539559 - 2¹⁶ = 53474023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53539553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26769779 + 26769780.

It is an arithmetic number, because the mean of its divisors is an integer number (26769780).

Almost surely, 2^53539559 is an apocalyptic number.

53539559 is a deficient number, since it is larger than the sum of its proper divisors (1).

53539559 is an equidigital number, since it uses as much as digits as its factorization.

53539559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 455625, while the sum is 44.

The square root of 53539559 is about 7317.0731170325. The cubic root of 53539559 is about 376.8989520148.

The spelling of 53539559 in words is "fifty-three million, five hundred thirty-nine thousand, five hundred fifty-nine".