503352330 has 64 divisors (see below), whose sum is σ = 1304650368. Its totient is φ = 123552000.

The previous prime is 503352319. The next prime is 503352331. The reversal of 503352330 is 33253305.

It is a self number, because there is not a number n which added to its sum of digits gives 503352330.

It is not an unprimeable number, because it can be changed into a prime (503352331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153205 + ... + 156455.

It is an arithmetic number, because the mean of its divisors is an integer number (20385162).

Almost surely, 2^503352330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503352330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (652325184).

503352330 is an abundant number, since it is smaller than the sum of its proper divisors (801298038).

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

503352330 is a wasteful number, since it uses less digits than its factorization.

503352330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671.

The product of its (nonzero) digits is 4050, while the sum is 24.

The square root of 503352330 is about 22435.5149261166. The cubic root of 503352330 is about 795.4704070969.

The spelling of 503352330 in words is "five hundred three million, three hundred fifty-two thousand, three hundred thirty".