505003650 has 48 divisors (see below), whose sum is σ = 1255425600. Its totient is φ = 134343360.

The previous prime is 505003643. The next prime is 505003657. The reversal of 505003650 is 56300505.

It is an interprime number because it is at equal distance from previous prime (505003643) and next prime (505003657).

It is a self number, because there is not a number n which added to its sum of digits gives 505003650.

It is not an unprimeable number, because it can be changed into a prime (505003657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62016 + ... + 69684.

It is an arithmetic number, because the mean of its divisors is an integer number (26154700).

Almost surely, 2^505003650 is an apocalyptic number.

505003650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505003650 is an abundant number, since it is smaller than the sum of its proper divisors (750421950).

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

505003650 is a wasteful number, since it uses less digits than its factorization.

505003650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8123 (or 8118 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 505003650 is about 22472.2862655316. The cubic root of 505003650 is about 796.3393427430.

The spelling of 505003650 in words is "five hundred five million, three thousand, six hundred fifty".