28030050530 has 8 divisors (see below), whose sum is σ = 50454090972. Its totient is φ = 11212020208.

The previous prime is 28030050509. The next prime is 28030050547. The reversal of 28030050530 is 3505003082.

It can be written as a sum of positive squares in 2 ways, for example, as 26193156649 + 1836893881 = 161843^2 + 42859^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 28030050530.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401502517 + ... + 1401502536.

Almost surely, 2^28030050530 is an apocalyptic number.

28030050530 is a deficient number, since it is larger than the sum of its proper divisors (22424040442).

28030050530 is a wasteful number, since it uses less digits than its factorization.

28030050530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803005060.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 28030050530 in words is "twenty-eight billion, thirty million, fifty thousand, five hundred thirty".