505922536 has 64 divisors (see below), whose sum is σ = 1142138880. Its totient is φ = 205402560.

The previous prime is 505922491. The next prime is 505922537. The reversal of 505922536 is 635229505.

It is a super-2 number, since 2×505922536² = 511915224865342592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505922495 and 505922504.

It is not an unprimeable number, because it can be changed into a prime (505922537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135981 + ... + 139651.

It is an arithmetic number, because the mean of its divisors is an integer number (17845920).

Almost surely, 2^505922536 is an apocalyptic number.

505922536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505922536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571069440).

505922536 is an abundant number, since it is smaller than the sum of its proper divisors (636216344).

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

505922536 is a wasteful number, since it uses less digits than its factorization.

505922536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814 (or 3810 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 505922536 is about 22492.7218450769. The cubic root of 505922536 is about 796.8220466486.

The spelling of 505922536 in words is "five hundred five million, nine hundred twenty-two thousand, five hundred thirty-six".