505555705 has 8 divisors (see below), whose sum is σ = 638596800. Its totient is φ = 383157936.

The previous prime is 505555693. The next prime is 505555717. The reversal of 505555705 is 507555505.

It is an interprime number because it is at equal distance from previous prime (505555693) and next prime (505555717).

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

It is a cyclic number.

It is not a de Polignac number, because 505555705 - 2⁷ = 505555577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2660725 + ... + 2660914.

It is an arithmetic number, because the mean of its divisors is an integer number (79824600).

Almost surely, 2^505555705 is an apocalyptic number.

It is an amenable number.

505555705 is a deficient number, since it is larger than the sum of its proper divisors (133041095).

505555705 is a wasteful number, since it uses less digits than its factorization.

505555705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321663.

The product of its (nonzero) digits is 109375, while the sum is 37.

The square root of 505555705 is about 22484.5659286543. The cubic root of 505555705 is about 796.6294152463.

The spelling of 505555705 in words is "five hundred five million, five hundred fifty-five thousand, seven hundred five".