556165039 has 2 divisors, whose sum is σ = 556165040. Its totient is φ = 556165038.

The previous prime is 556165037. The next prime is 556165061. The reversal of 556165039 is 930561655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556165039 - 2¹ = 556165037 is a prime.

Together with 556165037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 556164992 and 556165010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556165031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278082519 + 278082520.

It is an arithmetic number, because the mean of its divisors is an integer number (278082520).

Almost surely, 2^556165039 is an apocalyptic number.

556165039 is a deficient number, since it is larger than the sum of its proper divisors (1).

556165039 is an equidigital number, since it uses as much as digits as its factorization.

556165039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 556165039 is about 23583.1515917614. The cubic root of 556165039 is about 822.3712046615.

The spelling of 556165039 in words is "five hundred fifty-six million, one hundred sixty-five thousand, thirty-nine".