505060556 has 144 divisors (see below), whose sum is σ = 1235662848. Its totient is φ = 175219200.

The previous prime is 505060537. The next prime is 505060597. The reversal of 505060556 is 655060505.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1613456 + ... + 1613768.

It is an arithmetic number, because the mean of its divisors is an integer number (8580992).

Almost surely, 2^505060556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505060556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617831424).

505060556 is an abundant number, since it is smaller than the sum of its proper divisors (730602292).

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

505060556 is a wasteful number, since it uses less digits than its factorization.

505060556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 505060556 is about 22473.5523671715. The cubic root of 505060556 is about 796.3692532757.

The spelling of 505060556 in words is "five hundred five million, sixty thousand, five hundred fifty-six".