28550034545 has 32 divisors (see below), whose sum is σ = 35026992000. Its totient is φ = 22335639040.

The previous prime is 28550034523. The next prime is 28550034547. The reversal of 28550034545 is 54543005582.

It is not a de Polignac number, because 28550034545 - 2¹⁸ = 28549772401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28550034547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22676126 + ... + 22677384.

It is an arithmetic number, because the mean of its divisors is an integer number (1094593500).

Almost surely, 2^28550034545 is an apocalyptic number.

It is an amenable number.

28550034545 is a deficient number, since it is larger than the sum of its proper divisors (6476957455).

28550034545 is a wasteful number, since it uses less digits than its factorization.

28550034545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 28550034545 in words is "twenty-eight billion, five hundred fifty million, thirty-four thousand, five hundred forty-five".