528025505550 has 48 divisors (see below), whose sum is σ = 1319499510912. Its totient is φ = 139731935200.

The previous prime is 528025505503. The next prime is 528025505593. The reversal of 528025505550 is 55505520825.

It is a super-2 number, since 2×528025505550² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13416114 + ... + 13455413.

It is an arithmetic number, because the mean of its divisors is an integer number (27489573144).

Almost surely, 2^528025505550 is an apocalyptic number.

528025505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

528025505550 is an abundant number, since it is smaller than the sum of its proper divisors (791474005362).

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

528025505550 is a wasteful number, since it uses less digits than its factorization.

528025505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26871673 (or 26871668 counting only the distinct ones).

The product of its (nonzero) digits is 500000, while the sum is 42.

The spelling of 528025505550 in words is "five hundred twenty-eight billion, twenty-five million, five hundred five thousand, five hundred fifty".