54399360 has 128 divisors (see below), whose sum is σ = 179560800. Its totient is φ = 13991936.

The previous prime is 54399349. The next prime is 54399391. The reversal of 54399360 is 6399345.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55192 + ... + 56168.

Almost surely, 2^54399360 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 54399360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89780400).

54399360 is an abundant number, since it is smaller than the sum of its proper divisors (125161440).

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

54399360 is a wasteful number, since it uses less digits than its factorization.

54399360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 54399360 is about 7375.5921796151. The cubic root of 54399360 is about 378.9058089576.

The spelling of 54399360 in words is "fifty-four million, three hundred ninety-nine thousand, three hundred sixty".