555005533 has 2 divisors, whose sum is σ = 555005534. Its totient is φ = 555005532.

The previous prime is 555005531. The next prime is 555005557. The reversal of 555005533 is 335500555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540702009 + 14303524 = 23253^2 + 3782^2 .

It is a cyclic number.

It is not a de Polignac number, because 555005533 - 2¹ = 555005531 is a prime.

It is a super-2 number, since 2×555005533² = 616062283321228178, which contains 22 as substring.

Together with 555005531, it forms a pair of twin primes.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 555005495 and 555005504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555005531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277502766 + 277502767.

It is an arithmetic number, because the mean of its divisors is an integer number (277502767).

Almost surely, 2^555005533 is an apocalyptic number.

It is an amenable number.

555005533 is a deficient number, since it is larger than the sum of its proper divisors (1).

555005533 is an equidigital number, since it uses as much as digits as its factorization.

555005533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28125, while the sum is 31.

The square root of 555005533 is about 23558.5554098718. Note that the first 3 decimals coincide. The cubic root of 555005533 is about 821.7993074098.

The spelling of 555005533 in words is "five hundred fifty-five million, five thousand, five hundred thirty-three".