28875054 has 16 divisors (see below), whose sum is σ = 62192592. Its totient is φ = 8884608.

The previous prime is 28875037. The next prime is 28875073. The reversal of 28875054 is 45057882.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 185019 + ... + 185174.

It is an arithmetic number, because the mean of its divisors is an integer number (3887037).

Almost surely, 2^28875054 is an apocalyptic number.

28875054 is an abundant number, since it is smaller than the sum of its proper divisors (33317538).

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

28875054 is a wasteful number, since it uses less digits than its factorization.

28875054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370211.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 28875054 is about 5373.5513396636. The cubic root of 28875054 is about 306.7898132285.

The spelling of 28875054 in words is "twenty-eight million, eight hundred seventy-five thousand, fifty-four".