30552550028 has 96 divisors (see below), whose sum is σ = 72017261568. Its totient is φ = 10952812800.

The previous prime is 30552550019. The next prime is 30552550081. The reversal of 30552550028 is 82005525503.

It is a self number, because there is not a number n which added to its sum of digits gives 30552550028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1257233 + ... + 1281303.

It is an arithmetic number, because the mean of its divisors is an integer number (750179808).

Almost surely, 2^30552550028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30552550028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36008630784).

30552550028 is an abundant number, since it is smaller than the sum of its proper divisors (41464711540).

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

30552550028 is a wasteful number, since it uses less digits than its factorization.

30552550028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24423 (or 24421 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

It can be divided in two parts, 305525 and 50028, that added together give a palindrome (355553).

The spelling of 30552550028 in words is "thirty billion, five hundred fifty-two million, five hundred fifty thousand, twenty-eight".