28588550 has 24 divisors (see below), whose sum is σ = 54415416. Its totient is φ = 11168640.

The previous prime is 28588537. The next prime is 28588579. The reversal of 28588550 is 5588582.

It is a super-2 number, since 2×28588550² = 1634610382205000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28588498 and 28588507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4499 + ... + 8798.

It is an arithmetic number, because the mean of its divisors is an integer number (2267309).

Almost surely, 2^28588550 is an apocalyptic number.

28588550 is a deficient number, since it is larger than the sum of its proper divisors (25826866).

28588550 is a wasteful number, since it uses less digits than its factorization.

28588550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13352 (or 13347 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 41.

The square root of 28588550 is about 5346.8261613784. The cubic root of 28588550 is about 305.7717622531.

The spelling of 28588550 in words is "twenty-eight million, five hundred eighty-eight thousand, five hundred fifty".