28050050 has 54 divisors (see below), whose sum is σ = 61263657. Its totient is φ = 9527280.

The previous prime is 28050049. The next prime is 28050053. The reversal of 28050050 is 5005082.

28050050 = T₄₃₄ + T₄₃₅ + ... + T₆₂₉.

It can be written as a sum of positive squares in 2 ways, for example, as 27489049 + 561001 = 5243^2 + 749^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3745.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28050053) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 262097 + ... + 262203.

Almost surely, 2^28050050 is an apocalyptic number.

28050050 is an abundant number, since it is smaller than the sum of its proper divisors (33213607).

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

28050050 is a wasteful number, since it uses less digits than its factorization.

28050050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 28050050 is about 5296.2297910872. The cubic root of 28050050 is about 303.8397195832.

The spelling of 28050050 in words is "twenty-eight million, fifty thousand, fifty".