28975056 has 40 divisors (see below), whose sum is σ = 81658464. Its totient is φ = 8780160.

The previous prime is 28974989. The next prime is 28975081. The reversal of 28975056 is 65057982.

It is a junction number, because it is equal to n+sod(n) for n = 28974999 and 28975017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26911 + ... + 27966.

Almost surely, 2^28975056 is an apocalyptic number.

It is an amenable number.

28975056 is an abundant number, since it is smaller than the sum of its proper divisors (52683408).

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

28975056 is a wasteful number, since it uses less digits than its factorization.

28975056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54899 (or 54893 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 28975056 is about 5382.8483166443. The cubic root of 28975056 is about 307.1435700929.

The spelling of 28975056 in words is "twenty-eight million, nine hundred seventy-five thousand, fifty-six".