555470161 has 2 divisors, whose sum is σ = 555470162. Its totient is φ = 555470160.

The previous prime is 555470131. The next prime is 555470197. The reversal of 555470161 is 161074555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439153936 + 116316225 = 20956^2 + 10785^2 .

It is a cyclic number.

It is not a de Polignac number, because 555470161 - 2⁵ = 555470129 is a prime.

It is a super-2 number, since 2×555470161² = 617094199522731842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (555470101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277735080 + 277735081.

It is an arithmetic number, because the mean of its divisors is an integer number (277735081).

Almost surely, 2^555470161 is an apocalyptic number.

It is an amenable number.

555470161 is a deficient number, since it is larger than the sum of its proper divisors (1).

555470161 is an equidigital number, since it uses as much as digits as its factorization.

555470161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 555470161 is about 23568.4144778557. The cubic root of 555470161 is about 822.0285690684.

The spelling of 555470161 in words is "five hundred fifty-five million, four hundred seventy thousand, one hundred sixty-one".