505611560 has 32 divisors (see below), whose sum is σ = 1140104160. Its totient is φ = 201804096.

The previous prime is 505611559. The next prime is 505611563. The reversal of 505611560 is 65116505.

It is not an unprimeable number, because it can be changed into a prime (505611563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5147 + ... + 32213.

It is an arithmetic number, because the mean of its divisors is an integer number (35628255).

Almost surely, 2^505611560 is an apocalyptic number.

It is an amenable number.

505611560 is an abundant number, since it is smaller than the sum of its proper divisors (634492600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505611560 is a wasteful number, since it uses less digits than its factorization.

505611560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27545 (or 27541 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 505611560 is about 22485.8079685832. The cubic root of 505611560 is about 796.6587520052.

The spelling of 505611560 in words is "five hundred five million, six hundred eleven thousand, five hundred sixty".