505610564 has 12 divisors (see below), whose sum is σ = 923289024. Its totient is φ = 241813704.

The previous prime is 505610543. The next prime is 505610627. The reversal of 505610564 is 465016505.

It is a self number, because there is not a number n which added to its sum of digits gives 505610564.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2747792 + ... + 2747975.

It is an arithmetic number, because the mean of its divisors is an integer number (76940752).

Almost surely, 2^505610564 is an apocalyptic number.

It is an amenable number.

505610564 is a deficient number, since it is larger than the sum of its proper divisors (417678460).

505610564 is a wasteful number, since it uses less digits than its factorization.

505610564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5495794 (or 5495792 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 505610564 is about 22485.7858212694. The cubic root of 505610564 is about 796.6582288943.

The spelling of 505610564 in words is "five hundred five million, six hundred ten thousand, five hundred sixty-four".