505556065 has 8 divisors (see below), whose sum is σ = 693334080. Its totient is φ = 346666992.

The previous prime is 505556057. The next prime is 505556069. The reversal of 505556065 is 560655505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505556065 - 2³ = 505556057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505556069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7222195 + ... + 7222264.

It is an arithmetic number, because the mean of its divisors is an integer number (86666760).

Almost surely, 2^505556065 is an apocalyptic number.

It is an amenable number.

505556065 is a deficient number, since it is larger than the sum of its proper divisors (187778015).

505556065 is a wasteful number, since it uses less digits than its factorization.

505556065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14444471.

The product of its (nonzero) digits is 112500, while the sum is 37.

The square root of 505556065 is about 22484.5739341443. The cubic root of 505556065 is about 796.6296043363.

The spelling of 505556065 in words is "five hundred five million, five hundred fifty-six thousand, sixty-five".