505505683 has 4 divisors (see below), whose sum is σ = 505550808. Its totient is φ = 505460560.

The previous prime is 505505647. The next prime is 505505711. The reversal of 505505683 is 386505505.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 505505683 - 2¹³ = 505497491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505505603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8460 + ... + 32902.

It is an arithmetic number, because the mean of its divisors is an integer number (126387702).

Almost surely, 2^505505683 is an apocalyptic number.

505505683 is a deficient number, since it is larger than the sum of its proper divisors (45125).

505505683 is a wasteful number, since it uses less digits than its factorization.

505505683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45124.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 505505683 is about 22483.4535381022. The cubic root of 505505683 is about 796.6031403238.

The spelling of 505505683 in words is "five hundred five million, five hundred five thousand, six hundred eighty-three".