505052556 has 12 divisors (see below), whose sum is σ = 1178455992. Its totient is φ = 168350848.

The previous prime is 505052551. The next prime is 505052557. The reversal of 505052556 is 655250505.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (505052551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21043845 + ... + 21043868.

It is an arithmetic number, because the mean of its divisors is an integer number (98204666).

Almost surely, 2^505052556 is an apocalyptic number.

It is an amenable number.

505052556 is an abundant number, since it is smaller than the sum of its proper divisors (673403436).

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

505052556 is a wasteful number, since it uses less digits than its factorization.

505052556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42087720 (or 42087718 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 505052556 is about 22473.3743794740. The cubic root of 505052556 is about 796.3650485076.

The spelling of 505052556 in words is "five hundred five million, fifty-two thousand, five hundred fifty-six".