505445112 has 48 divisors (see below), whose sum is σ = 1369990440. Its totient is φ = 168349248.

The previous prime is 505445093. The next prime is 505445117. The reversal of 505445112 is 211544505.

505445112 is a `hidden beast` number, since 5 + 0 + 544 + 5 + 112 = 666.

It is a super-2 number, since 2×505445112² = 510949522489385088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505445117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141298 + ... + 144830.

Almost surely, 2^505445112 is an apocalyptic number.

It is an amenable number.

505445112 is an abundant number, since it is smaller than the sum of its proper divisors (864545328).

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

505445112 is a wasteful number, since it uses less digits than its factorization.

505445112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5525 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 505445112 is about 22482.1064849360. The cubic root of 505445112 is about 796.5713220358.

Adding to 505445112 its reverse (211544505), we get a palindrome (716989617).

The spelling of 505445112 in words is "five hundred five million, four hundred forty-five thousand, one hundred twelve".