28236054 has 48 divisors (see below), whose sum is σ = 71672256. Its totient is φ = 7333200.

The previous prime is 28236023. The next prime is 28236067. The reversal of 28236054 is 45063282.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1132 + ... + 7599.

It is an arithmetic number, because the mean of its divisors is an integer number (1493172).

Almost surely, 2^28236054 is an apocalyptic number.

28236054 is an abundant number, since it is smaller than the sum of its proper divisors (43436202).

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

28236054 is a wasteful number, since it uses less digits than its factorization.

28236054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761 (or 8754 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 28236054 is about 5313.7608150913. The cubic root of 28236054 is about 304.5098424616.

The spelling of 28236054 in words is "twenty-eight million, two hundred thirty-six thousand, fifty-four".