553443131 has 2 divisors, whose sum is σ = 553443132. Its totient is φ = 553443130.

The previous prime is 553443097. The next prime is 553443161. The reversal of 553443131 is 131344355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553443131 is a prime.

It is a super-2 number, since 2×553443131² = 612598598502166322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 553443094 and 553443103.

It is not a weakly prime, because it can be changed into another prime (553443161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276721565 + 276721566.

It is an arithmetic number, because the mean of its divisors is an integer number (276721566).

Almost surely, 2^553443131 is an apocalyptic number.

553443131 is a deficient number, since it is larger than the sum of its proper divisors (1).

553443131 is an equidigital number, since it uses as much as digits as its factorization.

553443131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 553443131 is about 23525.3720693212. The cubic root of 553443131 is about 821.0274306492.

Adding to 553443131 its reverse (131344355), we get a palindrome (684787486).

The spelling of 553443131 in words is "five hundred fifty-three million, four hundred forty-three thousand, one hundred thirty-one".