28574574550 has 24 divisors (see below), whose sum is σ = 53567214336. Its totient is φ = 11339828640.

The previous prime is 28574574521. The next prime is 28574574577. The reversal of 28574574550 is 5547547582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2243617 + ... + 2256316.

It is an arithmetic number, because the mean of its divisors is an integer number (2231967264).

Almost surely, 2^28574574550 is an apocalyptic number.

28574574550 is a deficient number, since it is larger than the sum of its proper divisors (24992639786).

28574574550 is a wasteful number, since it uses less digits than its factorization.

28574574550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500072 (or 4500067 counting only the distinct ones).

The product of its (nonzero) digits is 7840000, while the sum is 52.

The spelling of 28574574550 in words is "twenty-eight billion, five hundred seventy-four million, five hundred seventy-four thousand, five hundred fifty".