505530016 has 24 divisors (see below), whose sum is σ = 1018410624. Its totient is φ = 246886080.

The previous prime is 505530013. The next prime is 505530019. The reversal of 505530016 is 610035505.

It is an interprime number because it is at equal distance from previous prime (505530013) and next prime (505530019).

It is not an unprimeable number, because it can be changed into a prime (505530013) 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, 182320 + ... + 185071.

It is an arithmetic number, because the mean of its divisors is an integer number (42433776).

Almost surely, 2^505530016 is an apocalyptic number.

It is an amenable number.

505530016 is an abundant number, since it is smaller than the sum of its proper divisors (512880608).

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

505530016 is a wasteful number, since it uses less digits than its factorization.

505530016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367444 (or 367436 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 505530016 is about 22483.9946628707. The cubic root of 505530016 is about 796.6159218703.

The spelling of 505530016 in words is "five hundred five million, five hundred thirty thousand, sixteen".