54904239 has 12 divisors (see below), whose sum is σ = 85406776. Its totient is φ = 33787152.

The previous prime is 54904217. The next prime is 54904247. The reversal of 54904239 is 93240945.

It is not a de Polignac number, because 54904239 - 2¹⁵ = 54871471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54904039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234517 + ... + 234750.

Almost surely, 2^54904239 is an apocalyptic number.

54904239 is a deficient number, since it is larger than the sum of its proper divisors (30502537).

54904239 is a wasteful number, since it uses less digits than its factorization.

54904239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469286 (or 469283 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 54904239 is about 7409.7394691042. The cubic root of 54904239 is about 380.0744060209.

It can be divided in two parts, 549042 and 39, that added together give a square (549081 = 741²).

The spelling of 54904239 in words is "fifty-four million, nine hundred four thousand, two hundred thirty-nine".