556054229 has 2 divisors, whose sum is σ = 556054230. Its totient is φ = 556054228.

The previous prime is 556054193. The next prime is 556054249. The reversal of 556054229 is 922450655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 520889329 + 35164900 = 22823^2 + 5930^2 .

It is a cyclic number.

It is not a de Polignac number, because 556054229 - 2¹² = 556050133 is a prime.

It is a Chen prime.

It is equal to p_29146295 and since 556054229 and 29146295 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 556054192 and 556054201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556054249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278027114 + 278027115.

It is an arithmetic number, because the mean of its divisors is an integer number (278027115).

Almost surely, 2^556054229 is an apocalyptic number.

It is an amenable number.

556054229 is a deficient number, since it is larger than the sum of its proper divisors (1).

556054229 is an equidigital number, since it uses as much as digits as its factorization.

556054229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 556054229 is about 23580.8021280023. The cubic root of 556054229 is about 822.3165847798.

The spelling of 556054229 in words is "five hundred fifty-six million, fifty-four thousand, two hundred twenty-nine".