555556065 has 16 divisors (see below), whose sum is σ = 889309248. Its totient is φ = 296156736.

The previous prime is 555556033. The next prime is 555556081. The reversal of 555556065 is 560655555.

It is not a de Polignac number, because 555556065 - 2⁵ = 555556033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29499 + ... + 44511.

It is an arithmetic number, because the mean of its divisors is an integer number (55581828).

Almost surely, 2^555556065 is an apocalyptic number.

It is an amenable number.

555556065 is a deficient number, since it is larger than the sum of its proper divisors (333753183).

555556065 is a wasteful number, since it uses less digits than its factorization.

555556065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17488.

The product of its (nonzero) digits is 562500, while the sum is 42.

The square root of 555556065 is about 23570.2368464977. The cubic root of 555556065 is about 822.0709427230.

The spelling of 555556065 in words is "five hundred fifty-five million, five hundred fifty-six thousand, sixty-five".