54439872 has 28 divisors (see below), whose sum is σ = 144039336. Its totient is φ = 18146560.

The previous prime is 54439871. The next prime is 54439943. The reversal of 54439872 is 27893445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54439871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141579 + ... + 141962.

It is an arithmetic number, because the mean of its divisors is an integer number (5144262).

Almost surely, 2^54439872 is an apocalyptic number.

It is an amenable number.

54439872 is an abundant number, since it is smaller than the sum of its proper divisors (89599464).

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

54439872 is a wasteful number, since it uses less digits than its factorization.

54439872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283556 (or 283546 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 54439872 is about 7378.3380242437. The cubic root of 54439872 is about 378.9998445197. Note that the first 3 decimals are identical.

The spelling of 54439872 in words is "fifty-four million, four hundred thirty-nine thousand, eight hundred seventy-two".