556122253 has 2 divisors, whose sum is σ = 556122254. Its totient is φ = 556122252.

The previous prime is 556122223. The next prime is 556122263. The reversal of 556122253 is 352221655.

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., 541818729 + 14303524 = 23277^2 + 3782^2 .

It is a cyclic number.

It is not a de Polignac number, because 556122253 - 2¹³ = 556114061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556122223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278061126 + 278061127.

It is an arithmetic number, because the mean of its divisors is an integer number (278061127).

Almost surely, 2^556122253 is an apocalyptic number.

It is an amenable number.

556122253 is a deficient number, since it is larger than the sum of its proper divisors (1).

556122253 is an equidigital number, since it uses as much as digits as its factorization.

556122253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 31.

The square root of 556122253 is about 23582.2444436487. The cubic root of 556122253 is about 822.3501156716.

The spelling of 556122253 in words is "five hundred fifty-six million, one hundred twenty-two thousand, two hundred fifty-three".