503220528 has 60 divisors (see below), whose sum is σ = 1456893360. Its totient is φ = 161954688.

The previous prime is 503220521. The next prime is 503220533. The reversal of 503220528 is 825022305.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (503220521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56076 + ... + 64427.

It is an arithmetic number, because the mean of its divisors is an integer number (24281556).

Almost surely, 2^503220528 is an apocalyptic number.

503220528 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

503220528 is an abundant number, since it is smaller than the sum of its proper divisors (953672832).

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

503220528 is a wasteful number, since it uses less digits than its factorization.

503220528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120546 (or 120537 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 503220528 is about 22432.5773820130. The cubic root of 503220528 is about 795.4009701527.

The spelling of 503220528 in words is "five hundred three million, two hundred twenty thousand, five hundred twenty-eight".