28542955 has 16 divisors (see below), whose sum is σ = 39432960. Its totient is φ = 19428192.

The previous prime is 28542893. The next prime is 28542979. The reversal of 28542955 is 55924582.

It is not a de Polignac number, because 28542955 - 2¹⁹ = 28018667 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1932 + ... + 7798.

It is an arithmetic number, because the mean of its divisors is an integer number (2464560).

Almost surely, 2^28542955 is an apocalyptic number.

28542955 is a deficient number, since it is larger than the sum of its proper divisors (10890005).

28542955 is a wasteful number, since it uses less digits than its factorization.

28542955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018.

The product of its digits is 144000, while the sum is 40.

The square root of 28542955 is about 5342.5607156119. The cubic root of 28542955 is about 305.6091204288.

The spelling of 28542955 in words is "twenty-eight million, five hundred forty-two thousand, nine hundred fifty-five".