28054543 has 8 divisors (see below), whose sum is σ = 31183056. Its totient is φ = 25022400.

The previous prime is 28054531. The next prime is 28054589. The reversal of 28054543 is 34545082.

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

It is a cyclic number.

It is not a de Polignac number, because 28054543 - 2⁵ = 28054511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28034543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23478 + ... + 24643.

It is an arithmetic number, because the mean of its divisors is an integer number (3897882).

Almost surely, 2^28054543 is an apocalyptic number.

28054543 is a deficient number, since it is larger than the sum of its proper divisors (3128513).

28054543 is a wasteful number, since it uses less digits than its factorization.

28054543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48185.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 28054543 is about 5296.6539437649. The cubic root of 28054543 is about 303.8559415267.

The spelling of 28054543 in words is "twenty-eight million, fifty-four thousand, five hundred forty-three".