555066469 has 2 divisors, whose sum is σ = 555066470. Its totient is φ = 555066468.

The previous prime is 555066433. The next prime is 555066481. The reversal of 555066469 is 964660555.

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., 550465444 + 4601025 = 23462^2 + 2145^2 .

It is a cyclic number.

It is not a de Polignac number, because 555066469 - 2⁹ = 555065957 is a prime.

It is a super-2 number, since 2×555066469² = 616197570016255922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555066419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277533234 + 277533235.

It is an arithmetic number, because the mean of its divisors is an integer number (277533235).

Almost surely, 2^555066469 is an apocalyptic number.

It is an amenable number.

555066469 is a deficient number, since it is larger than the sum of its proper divisors (1).

555066469 is an equidigital number, since it uses as much as digits as its factorization.

555066469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 46.

The square root of 555066469 is about 23559.8486625021. The cubic root of 555066469 is about 821.8293823833.

The spelling of 555066469 in words is "five hundred fifty-five million, sixty-six thousand, four hundred sixty-nine".