528655712 has 48 divisors (see below), whose sum is σ = 1123209360. Its totient is φ = 243482112.

The previous prime is 528655711. The next prime is 528655727. The reversal of 528655712 is 217556825.

It is a self number, because there is not a number n which added to its sum of digits gives 528655712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528655711) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 256478 + ... + 258530.

It is an arithmetic number, because the mean of its divisors is an integer number (23400195).

Almost surely, 2^528655712 is an apocalyptic number.

528655712 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528655712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561604680).

528655712 is an abundant number, since it is smaller than the sum of its proper divisors (594553648).

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

528655712 is a wasteful number, since it uses less digits than its factorization.

528655712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695 (or 2687 counting only the distinct ones).

The product of its digits is 168000, while the sum is 41.

The square root of 528655712 is about 22992.5142600804. The cubic root of 528655712 is about 808.5824477337.

The spelling of 528655712 in words is "five hundred twenty-eight million, six hundred fifty-five thousand, seven hundred twelve".