528251997056 has 48 divisors (see below), whose sum is σ = 1202766135720. Its totient is φ = 226384389120.

The previous prime is 528251997047. The next prime is 528251997107. The reversal of 528251997056 is 650799152825.

It is a junction number, because it is equal to n+sod(n) for n = 528251996986 and 528251997004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21743636 + ... + 21767916.

Almost surely, 2^528251997056 is an apocalyptic number.

528251997056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

528251997056 is an abundant number, since it is smaller than the sum of its proper divisors (674514138664).

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

528251997056 is an frugal number, since it uses more digits than its factorization.

528251997056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48583 (or 24290 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 59.

The spelling of 528251997056 in words is "five hundred twenty-eight billion, two hundred fifty-one million, nine hundred ninety-seven thousand, fifty-six".