556553383 has 2 divisors, whose sum is σ = 556553384. Its totient is φ = 556553382.

The previous prime is 556553299. The next prime is 556553399. The reversal of 556553383 is 383355655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556553383 - 2¹⁷ = 556422311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556553083) 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 as a sum of consecutive naturals, namely, 278276691 + 278276692.

It is an arithmetic number, because the mean of its divisors is an integer number (278276692).

Almost surely, 2^556553383 is an apocalyptic number.

556553383 is a deficient number, since it is larger than the sum of its proper divisors (1).

556553383 is an equidigital number, since it uses as much as digits as its factorization.

556553383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810000, while the sum is 43.

The square root of 556553383 is about 23591.3836601417. The cubic root of 556553383 is about 822.5625678945.

The spelling of 556553383 in words is "five hundred fifty-six million, five hundred fifty-three thousand, three hundred eighty-three".