556255633 has 4 divisors (see below), whose sum is σ = 556305408. Its totient is φ = 556205860.

The previous prime is 556255627. The next prime is 556255639. The reversal of 556255633 is 336552655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (556255627) and next prime (556255639).

It is a cyclic number.

It is not a de Polignac number, because 556255633 - 2⁹ = 556255121 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556255639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528 + ... + 33358.

It is an arithmetic number, because the mean of its divisors is an integer number (139076352).

Almost surely, 2^556255633 is an apocalyptic number.

It is an amenable number.

556255633 is a deficient number, since it is larger than the sum of its proper divisors (49775).

556255633 is a wasteful number, since it uses less digits than its factorization.

556255633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49774.

The product of its digits is 405000, while the sum is 40.

The square root of 556255633 is about 23585.0722492003. The cubic root of 556255633 is about 822.4158543889.

The spelling of 556255633 in words is "five hundred fifty-six million, two hundred fifty-five thousand, six hundred thirty-three".