553601 has 2 divisors, whose sum is σ = 553602. Its totient is φ = 553600.

The previous prime is 553591. The next prime is 553607. The reversal of 553601 is 106355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303601 + 250000 = 551^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 553601 - 2¹⁸ = 291457 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 553601.

It is not a weakly prime, because it can be changed into another prime (553607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276800 + 276801.

It is an arithmetic number, because the mean of its divisors is an integer number (276801).

2⁵⁵³⁶⁰¹ is an apocalyptic number.

It is an amenable number.

553601 is a deficient number, since it is larger than the sum of its proper divisors (1).

553601 is an equidigital number, since it uses as much as digits as its factorization.

553601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 553601 is about 744.0436815134. The cubic root of 553601 is about 82.1105488930.

Adding to 553601 its reverse (106355), we get a palindrome (659956).

The spelling of 553601 in words is "five hundred fifty-three thousand, six hundred one".