556224508061 has 2 divisors, whose sum is σ = 556224508062. Its totient is φ = 556224508060.

The previous prime is 556224507991. The next prime is 556224508069. The reversal of 556224508061 is 160805422655.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 520122228025 + 36102280036 = 721195^2 + 190006^2 .

It is a cyclic number.

It is not a de Polignac number, because 556224508061 - 2²² = 556220313757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556224508069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278112254030 + 278112254031.

It is an arithmetic number, because the mean of its divisors is an integer number (278112254031).

Almost surely, 2^556224508061 is an apocalyptic number.

It is an amenable number.

556224508061 is a deficient number, since it is larger than the sum of its proper divisors (1).

556224508061 is an equidigital number, since it uses as much as digits as its factorization.

556224508061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 556224508061 in words is "five hundred fifty-six billion, two hundred twenty-four million, five hundred eight thousand, sixty-one".