54439392 has 144 divisors (see below), whose sum is σ = 169610112. Its totient is φ = 15240960.

The previous prime is 54439391. The next prime is 54439397. The reversal of 54439392 is 29393445.

It is a self number, because there is not a number n which added to its sum of digits gives 54439392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54439391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333903 + ... + 334065.

It is an arithmetic number, because the mean of its divisors is an integer number (1177848).

Almost surely, 2^54439392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54439392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84805056).

54439392 is an abundant number, since it is smaller than the sum of its proper divisors (115170720).

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

54439392 is a wasteful number, since it uses less digits than its factorization.

54439392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 246 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 54439392 is about 7378.3054965215. The cubic root of 54439392 is about 378.9987306274.

The spelling of 54439392 in words is "fifty-four million, four hundred thirty-nine thousand, three hundred ninety-two".