505105564 has 24 divisors (see below), whose sum is σ = 944531280. Its totient is φ = 235512576.

The previous prime is 505105561. The next prime is 505105571. The reversal of 505105564 is 465501505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505105561) 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, 26662 + ... + 41485.

It is an arithmetic number, because the mean of its divisors is an integer number (39355470).

Almost surely, 2^505105564 is an apocalyptic number.

It is an amenable number.

505105564 is a deficient number, since it is larger than the sum of its proper divisors (439425716).

505105564 is a wasteful number, since it uses less digits than its factorization.

505105564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68277 (or 68275 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 505105564 is about 22474.5536996845. The cubic root of 505105564 is about 796.3929084740.

The spelling of 505105564 in words is "five hundred five million, one hundred five thousand, five hundred sixty-four".