28880054 has 32 divisors (see below), whose sum is σ = 51363840. Its totient is φ = 11920608.

The previous prime is 28880051. The next prime is 28880063. The reversal of 28880054 is 45008882.

It is a junction number, because it is equal to n+sod(n) for n = 28879996 and 28880023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28880051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65567 + ... + 66005.

It is an arithmetic number, because the mean of its divisors is an integer number (1605120).

Almost surely, 2^28880054 is an apocalyptic number.

28880054 is a deficient number, since it is larger than the sum of its proper divisors (22483786).

28880054 is a wasteful number, since it uses less digits than its factorization.

28880054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 28880054 is about 5374.0165611952. The cubic root of 28880054 is about 306.8075200991.

The spelling of 28880054 in words is "twenty-eight million, eight hundred eighty thousand, fifty-four".