28330002553 has 8 divisors (see below), whose sum is σ = 29021563872. Its totient is φ = 27646345056.

The previous prime is 28330002527. The next prime is 28330002557. The reversal of 28330002553 is 35520003382.

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

It is a cyclic number.

It is not a de Polignac number, because 28330002553 - 2²¹ = 28327905401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28330002557) 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, 1968700 + ... + 1983037.

It is an arithmetic number, because the mean of its divisors is an integer number (3627695484).

Almost surely, 2^28330002553 is an apocalyptic number.

It is an amenable number.

28330002553 is a deficient number, since it is larger than the sum of its proper divisors (691561319).

28330002553 is a wasteful number, since it uses less digits than its factorization.

28330002553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951911.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 28330002553 in words is "twenty-eight billion, three hundred thirty million, two thousand, five hundred fifty-three".