556793 has 2 divisors, whose sum is σ = 556794. Its totient is φ = 556792.

The previous prime is 556789. The next prime is 556799. The reversal of 556793 is 397655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394384 + 162409 = 628^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 556793 - 2² = 556789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (556799) 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, 278396 + 278397.

It is an arithmetic number, because the mean of its divisors is an integer number (278397).

2⁵⁵⁶⁷⁹³ is an apocalyptic number.

It is an amenable number.

556793 is a deficient number, since it is larger than the sum of its proper divisors (1).

556793 is an equidigital number, since it uses as much as digits as its factorization.

556793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 35.

The square root of 556793 is about 746.1856337400. The cubic root of 556793 is about 82.2680598917.

The spelling of 556793 in words is "five hundred fifty-six thousand, seven hundred ninety-three".