555197009 has 2 divisors, whose sum is σ = 555197010. Its totient is φ = 555197008.

The previous prime is 555196987. The next prime is 555197017. The reversal of 555197009 is 900791555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307827025 + 247369984 = 17545^2 + 15728^2 .

It is a cyclic number.

It is not a de Polignac number, because 555197009 - 2²⁴ = 538419793 is a prime.

It is not a weakly prime, because it can be changed into another prime (555197029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277598504 + 277598505.

It is an arithmetic number, because the mean of its divisors is an integer number (277598505).

Almost surely, 2^555197009 is an apocalyptic number.

It is an amenable number.

555197009 is a deficient number, since it is larger than the sum of its proper divisors (1).

555197009 is an equidigital number, since it uses as much as digits as its factorization.

555197009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70875, while the sum is 41.

The square root of 555197009 is about 23562.6188909467. The cubic root of 555197009 is about 821.8938030155.

The spelling of 555197009 in words is "five hundred fifty-five million, one hundred ninety-seven thousand, nine".