553503823 has 2 divisors, whose sum is σ = 553503824. Its totient is φ = 553503822.

The previous prime is 553503803. The next prime is 553503871. The reversal of 553503823 is 328305355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553503823 - 2²⁹ = 16632911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553503803) 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 as a sum of consecutive naturals, namely, 276751911 + 276751912.

It is an arithmetic number, because the mean of its divisors is an integer number (276751912).

Almost surely, 2^553503823 is an apocalyptic number.

553503823 is a deficient number, since it is larger than the sum of its proper divisors (1).

553503823 is an equidigital number, since it uses as much as digits as its factorization.

553503823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 553503823 is about 23526.6619604227. The cubic root of 553503823 is about 821.0574415469.

The spelling of 553503823 in words is "five hundred fifty-three million, five hundred three thousand, eight hundred twenty-three".