553532231 has 16 divisors (see below), whose sum is σ = 640089600. Its totient is φ = 468879840.

The previous prime is 553532227. The next prime is 553532233. The reversal of 553532231 is 132235355.

It is a cyclic number.

It is not a de Polignac number, because 553532231 - 2² = 553532227 is a prime.

It is a super-2 number, since 2×553532231² = 612795861511674722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553532194 and 553532203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553532233) 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 in 15 ways as a sum of consecutive naturals, for example, 217436 + ... + 219966.

It is an arithmetic number, because the mean of its divisors is an integer number (40005600).

Almost surely, 2^553532231 is an apocalyptic number.

553532231 is a deficient number, since it is larger than the sum of its proper divisors (86557369).

553532231 is a wasteful number, since it uses less digits than its factorization.

553532231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894.

The product of its digits is 13500, while the sum is 29.

The square root of 553532231 is about 23527.2656932335. The cubic root of 553532231 is about 821.0714879423.

Adding to 553532231 its reverse (132235355), we get a palindrome (685767586).

The spelling of 553532231 in words is "five hundred fifty-three million, five hundred thirty-two thousand, two hundred thirty-one".