556414493 has 2 divisors, whose sum is σ = 556414494. Its totient is φ = 556414492.

The previous prime is 556414451. The next prime is 556414499. The reversal of 556414493 is 394414655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 305445529 + 250968964 = 17477^2 + 15842^2 .

It is a cyclic number.

It is not a de Polignac number, because 556414493 - 2²² = 552220189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556414493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556414499) 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, 278207246 + 278207247.

It is an arithmetic number, because the mean of its divisors is an integer number (278207247).

Almost surely, 2^556414493 is an apocalyptic number.

It is an amenable number.

556414493 is a deficient number, since it is larger than the sum of its proper divisors (1).

556414493 is an equidigital number, since it uses as much as digits as its factorization.

556414493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 41.

The square root of 556414493 is about 23588.4398169951. The cubic root of 556414493 is about 822.4941376694.

The spelling of 556414493 in words is "five hundred fifty-six million, four hundred fourteen thousand, four hundred ninety-three".