553722431 has 2 divisors, whose sum is σ = 553722432. Its totient is φ = 553722430.

The previous prime is 553722361. The next prime is 553722467. The reversal of 553722431 is 134227355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553722431 is a prime.

It is a super-2 number, since 2×553722431² = 613217061185099522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553722731) 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, 276861215 + 276861216.

It is an arithmetic number, because the mean of its divisors is an integer number (276861216).

Almost surely, 2^553722431 is an apocalyptic number.

553722431 is a deficient number, since it is larger than the sum of its proper divisors (1).

553722431 is an equidigital number, since it uses as much as digits as its factorization.

553722431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 32.

The square root of 553722431 is about 23531.3074647373. The cubic root of 553722431 is about 821.1655203549.

Adding to 553722431 its reverse (134227355), we get a palindrome (687949786).

The spelling of 553722431 in words is "five hundred fifty-three million, seven hundred twenty-two thousand, four hundred thirty-one".