28554002 has 4 divisors (see below), whose sum is σ = 42831006. Its totient is φ = 14277000.

The previous prime is 28553989. The next prime is 28554041. The reversal of 28554002 is 20045582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20045582 = 2 ⋅10022791.

It can be written as a sum of positive squares in only one way, i.e., 27552001 + 1002001 = 5249^2 + 1001^2 .

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 as a sum of consecutive naturals, namely, 7138499 + ... + 7138502.

Almost surely, 2^28554002 is an apocalyptic number.

28554002 is a deficient number, since it is larger than the sum of its proper divisors (14277004).

28554002 is a wasteful number, since it uses less digits than its factorization.

28554002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14277003.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 28554002 is about 5343.5944831171. The cubic root of 28554002 is about 305.6485420479.

Adding to 28554002 its reverse (20045582), we get a palindrome (48599584).

The spelling of 28554002 in words is "twenty-eight million, five hundred fifty-four thousand, two".