505689052 has 24 divisors (see below), whose sum is σ = 967084272. Its totient is φ = 229459200.

The previous prime is 505689013. The next prime is 505689053. The reversal of 505689052 is 250986505.

It is a junction number, because it is equal to n+sod(n) for n = 505688996 and 505689014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505689053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16402 + ... + 35782.

It is an arithmetic number, because the mean of its divisors is an integer number (40295178).

Almost surely, 2^505689052 is an apocalyptic number.

It is an amenable number.

505689052 is a deficient number, since it is larger than the sum of its proper divisors (461395220).

505689052 is a wasteful number, since it uses less digits than its factorization.

505689052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19989 (or 19987 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 505689052 is about 22487.5310338863. The cubic root of 505689052 is about 796.6994496021.

The spelling of 505689052 in words is "five hundred five million, six hundred eighty-nine thousand, fifty-two".