505843530 has 16 divisors (see below), whose sum is σ = 1214024544. Its totient is φ = 134891600.

The previous prime is 505843519. The next prime is 505843553. The reversal of 505843530 is 35348505.

It is a junction number, because it is equal to n+sod(n) for n = 505843491 and 505843500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8430696 + ... + 8430755.

It is an arithmetic number, because the mean of its divisors is an integer number (75876534).

Almost surely, 2^505843530 is an apocalyptic number.

505843530 is an abundant number, since it is smaller than the sum of its proper divisors (708181014).

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

505843530 is a wasteful number, since it uses less digits than its factorization.

505843530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16861461.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 505843530 is about 22490.9655195147. The cubic root of 505843530 is about 796.7805666489.

The spelling of 505843530 in words is "five hundred five million, eight hundred forty-three thousand, five hundred thirty".