28765054 has 16 divisors (see below), whose sum is σ = 46096128. Its totient is φ = 13414912.

The previous prime is 28765049. The next prime is 28765057. The reversal of 28765054 is 45056782.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28765057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99 + ... + 7585.

It is an arithmetic number, because the mean of its divisors is an integer number (2881008).

Almost surely, 2^28765054 is an apocalyptic number.

28765054 is a deficient number, since it is larger than the sum of its proper divisors (17331074).

28765054 is a wasteful number, since it uses less digits than its factorization.

28765054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7619.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 28765054 is about 5363.3062564057. The cubic root of 28765054 is about 306.3997438456.

It can be divided in two parts, 287 and 65054, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 28765054 in words is "twenty-eight million, seven hundred sixty-five thousand, fifty-four".