54280239 has 16 divisors (see below), whose sum is σ = 78124032. Its totient is φ = 33324768.

The previous prime is 54280231. The next prime is 54280241. The reversal of 54280239 is 93208245.

It is a happy number.

It is not a de Polignac number, because 54280239 - 2³ = 54280231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54280231) 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, 18234 + ... + 21000.

It is an arithmetic number, because the mean of its divisors is an integer number (4882752).

Almost surely, 2^54280239 is an apocalyptic number.

54280239 is a deficient number, since it is larger than the sum of its proper divisors (23843793).

54280239 is a wasteful number, since it uses less digits than its factorization.

54280239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 54280239 is about 7367.5124024327. The cubic root of 54280239 is about 378.6290371704.

The spelling of 54280239 in words is "fifty-four million, two hundred eighty thousand, two hundred thirty-nine".