553591 has 2 divisors, whose sum is σ = 553592. Its totient is φ = 553590.

The previous prime is 553589. The next prime is 553601. The reversal of 553591 is 195355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553591 - 2¹ = 553589 is a prime.

Together with 553589, it forms a pair of twin primes.

553591 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553561) 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, 276795 + 276796.

It is an arithmetic number, because the mean of its divisors is an integer number (276796).

2⁵⁵³⁵⁹¹ is an apocalyptic number.

553591 is a deficient number, since it is larger than the sum of its proper divisors (1).

553591 is an equidigital number, since it uses as much as digits as its factorization.

553591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3375, while the sum is 28.

The square root of 553591 is about 744.0369614475. The cubic root of 553591 is about 82.1100544873.

The spelling of 553591 in words is "five hundred fifty-three thousand, five hundred ninety-one".