28802554 has 8 divisors (see below), whose sum is σ = 47131488. Its totient is φ = 13092060.

The previous prime is 28802513. The next prime is 28802567. The reversal of 28802554 is 45520882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 654582 + ... + 654625.

It is an arithmetic number, because the mean of its divisors is an integer number (5891436).

Almost surely, 2^28802554 is an apocalyptic number.

28802554 is a deficient number, since it is larger than the sum of its proper divisors (18328934).

28802554 is a wasteful number, since it uses less digits than its factorization.

28802554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309220.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 28802554 is about 5366.8010956248. The cubic root of 28802554 is about 306.5328335891.

The spelling of 28802554 in words is "twenty-eight million, eight hundred two thousand, five hundred fifty-four".