28553952 has 48 divisors (see below), whose sum is σ = 85663872. Its totient is φ = 8158080.

The previous prime is 28553933. The next prime is 28553963. The reversal of 28553952 is 25935582.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 28553952.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20574 + ... + 21917.

It is an arithmetic number, because the mean of its divisors is an integer number (1784664).

Almost surely, 2^28553952 is an apocalyptic number.

It is an amenable number.

28553952 is an abundant number, since it is smaller than the sum of its proper divisors (57109920).

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

28553952 is a wasteful number, since it uses less digits than its factorization.

28553952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42511 (or 42503 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 28553952 is about 5343.5898046164. The cubic root of 28553952 is about 305.6483636440.

The spelling of 28553952 in words is "twenty-eight million, five hundred fifty-three thousand, nine hundred fifty-two".