28055050503 has 8 divisors (see below), whose sum is σ = 37416866928. Its totient is φ = 18698300544.

The previous prime is 28055050487. The next prime is 28055050579. The reversal of 28055050503 is 30505055082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28055050503 - 2⁴ = 28055050487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28055050603) 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, 1253676 + ... + 1275857.

It is an arithmetic number, because the mean of its divisors is an integer number (4677108366).

Almost surely, 2^28055050503 is an apocalyptic number.

28055050503 is a deficient number, since it is larger than the sum of its proper divisors (9361816425).

28055050503 is a wasteful number, since it uses less digits than its factorization.

28055050503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2533233.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 28055050503 in words is "twenty-eight billion, fifty-five million, fifty thousand, five hundred three".