28550050203 has 16 divisors (see below), whose sum is σ = 38278863360. Its totient is φ = 18927523104.

The previous prime is 28550050201. The next prime is 28550050231. The reversal of 28550050203 is 30205005582.

It is not a de Polignac number, because 28550050203 - 2¹ = 28550050201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28550050201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498400 + ... + 552722.

It is an arithmetic number, because the mean of its divisors is an integer number (2392428960).

Almost surely, 2^28550050203 is an apocalyptic number.

28550050203 is a deficient number, since it is larger than the sum of its proper divisors (9728813157).

28550050203 is a wasteful number, since it uses less digits than its factorization.

28550050203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55298.

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

Adding to 28550050203 its reverse (30205005582), we get a palindrome (58755055785).

The spelling of 28550050203 in words is "twenty-eight billion, five hundred fifty million, fifty thousand, two hundred three".