505564683 has 24 divisors (see below), whose sum is σ = 772877808. Its totient is φ = 292810752.

The previous prime is 505564681. The next prime is 505564693. The reversal of 505564683 is 386465505.

It is a happy number.

It is not a de Polignac number, because 505564683 - 2¹ = 505564681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505564681) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 20710 + ... + 37947.

It is an arithmetic number, because the mean of its divisors is an integer number (32203242).

Almost surely, 2^505564683 is an apocalyptic number.

505564683 is a deficient number, since it is larger than the sum of its proper divisors (267313125).

505564683 is a wasteful number, since it uses less digits than its factorization.

505564683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58703 (or 58690 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The square root of 505564683 is about 22484.7655758293. The cubic root of 505564683 is about 796.6341309130.

The spelling of 505564683 in words is "five hundred five million, five hundred sixty-four thousand, six hundred eighty-three".