28050005050 has 12 divisors (see below), whose sum is σ = 52173009486. Its totient is φ = 11220002000.

The previous prime is 28050005041. The next prime is 28050005059. The reversal of 28050005050 is 5050005082.

It is an interprime number because it is at equal distance from previous prime (28050005041) and next prime (28050005059).

It can be written as a sum of positive squares in 3 ways, for example, as 16538217201 + 11511787849 = 128601^2 + 107293^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (28050005059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280500001 + ... + 280500100.

Almost surely, 2^28050005050 is an apocalyptic number.

28050005050 is a deficient number, since it is larger than the sum of its proper divisors (24123004436).

28050005050 is a wasteful number, since it uses less digits than its factorization.

28050005050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561000113 (or 561000108 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 28050005050 in words is "twenty-eight billion, fifty million, five thousand, fifty".