503385066 has 24 divisors (see below), whose sum is σ = 1091323584. Its totient is φ = 167694120.

The previous prime is 503385017. The next prime is 503385097. The reversal of 503385066 is 660583305.

It is a self number, because there is not a number n which added to its sum of digits gives 503385066.

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 11 ways as a sum of consecutive naturals, for example, 26205 + ... + 41151.

It is an arithmetic number, because the mean of its divisors is an integer number (45471816).

Almost surely, 2^503385066 is an apocalyptic number.

503385066 is an abundant number, since it is smaller than the sum of its proper divisors (587938518).

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

503385066 is a wasteful number, since it uses less digits than its factorization.

503385066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16826 (or 16823 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 503385066 is about 22436.2444718362. The cubic root of 503385066 is about 795.4876514493.

The spelling of 503385066 in words is "five hundred three million, three hundred eighty-five thousand, sixty-six".