556554233 has 2 divisors, whose sum is σ = 556554234. Its totient is φ = 556554232.

The previous prime is 556554227. The next prime is 556554241. The reversal of 556554233 is 332455655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 496754944 + 59799289 = 22288^2 + 7733^2 .

It is a cyclic number.

It is not a de Polignac number, because 556554233 - 2⁶ = 556554169 is a prime.

It is a super-2 number, since 2×556554233² = 619505228540436578, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (556554223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278277116 + 278277117.

It is an arithmetic number, because the mean of its divisors is an integer number (278277117).

Almost surely, 2^556554233 is an apocalyptic number.

It is an amenable number.

556554233 is a deficient number, since it is larger than the sum of its proper divisors (1).

556554233 is an equidigital number, since it uses as much as digits as its factorization.

556554233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 38.

The square root of 556554233 is about 23591.4016751867. The cubic root of 556554233 is about 822.5629866491.

The spelling of 556554233 in words is "five hundred fifty-six million, five hundred fifty-four thousand, two hundred thirty-three".