28550952 has 24 divisors (see below), whose sum is σ = 77325690. Its totient is φ = 9516960.

The previous prime is 28550947. The next prime is 28550953. The reversal of 28550952 is 25905582.

It can be written as a sum of positive squares in only one way, i.e., 15634116 + 12916836 = 3954^2 + 3594^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (28550953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198199 + ... + 198342.

Almost surely, 2^28550952 is an apocalyptic number.

It is an amenable number.

28550952 is an abundant number, since it is smaller than the sum of its proper divisors (48774738).

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

28550952 is a wasteful number, since it uses less digits than its factorization.

28550952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396553 (or 396546 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 28550952 is about 5343.3090870733. The cubic root of 28550952 is about 305.6376590288.

The spelling of 28550952 in words is "twenty-eight million, five hundred fifty thousand, nine hundred fifty-two".