505789952 has 40 divisors (see below), whose sum is σ = 1018441512. Its totient is φ = 250931200.

The previous prime is 505789943. The next prime is 505789993. The reversal of 505789952 is 259987505.

It is a self number, because there is not a number n which added to its sum of digits gives 505789952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63302 + ... + 70842.

Almost surely, 2^505789952 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 505789952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509220756).

505789952 is an abundant number, since it is smaller than the sum of its proper divisors (512651560).

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

505789952 is an equidigital number, since it uses as much as digits as its factorization.

505789952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7690 (or 7674 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 50.

The square root of 505789952 is about 22489.7743874855. The cubic root of 505789952 is about 796.7524344869.

The spelling of 505789952 in words is "five hundred five million, seven hundred eighty-nine thousand, nine hundred fifty-two".