28533575052 has 48 divisors (see below), whose sum is σ = 77869411200. Its totient is φ = 9010602000.

The previous prime is 28533575029. The next prime is 28533575053. The reversal of 28533575052 is 25057533582.

It is a happy number.

28533575052 is a `hidden beast` number, since 28 + 5 + 3 + 3 + 575 + 0 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 28533574989 and 28533575007.

It is not an unprimeable number, because it can be changed into a prime (28533575053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6950574 + ... + 6954677.

It is an arithmetic number, because the mean of its divisors is an integer number (1622279400).

Almost surely, 2^28533575052 is an apocalyptic number.

It is an amenable number.

28533575052 is an abundant number, since it is smaller than the sum of its proper divisors (49335836148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28533575052 is a wasteful number, since it uses less digits than its factorization.

28533575052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13905283 (or 13905275 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 28533575052 in words is "twenty-eight billion, five hundred thirty-three million, five hundred seventy-five thousand, fifty-two".