28030055052 has 24 divisors (see below), whose sum is σ = 65732128000. Its totient is φ = 9296399376.

The previous prime is 28030055041. The next prime is 28030055059. The reversal of 28030055052 is 25055003082.

It is not an unprimeable number, because it can be changed into a prime (28030055059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5866552 + ... + 5871327.

Almost surely, 2^28030055052 is an apocalyptic number.

It is an amenable number.

28030055052 is an abundant number, since it is smaller than the sum of its proper divisors (37702072948).

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

28030055052 is a wasteful number, since it uses less digits than its factorization.

28030055052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11738085 (or 11738083 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 28030055052 in words is "twenty-eight billion, thirty million, fifty-five thousand, fifty-two".