54213760 has 128 divisors (see below), whose sum is σ = 141004800. Its totient is φ = 19869696.

The previous prime is 54213739. The next prime is 54213773. The reversal of 54213760 is 6731245.

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

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, 426817 + ... + 426943.

It is an arithmetic number, because the mean of its divisors is an integer number (1101600).

Almost surely, 2^54213760 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 54213760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70502400).

54213760 is an abundant number, since it is smaller than the sum of its proper divisors (86791040).

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

54213760 is a wasteful number, since it uses less digits than its factorization.

54213760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 54213760 is about 7362.9993888360. Note that the first 3 decimals coincide. The cubic root of 54213760 is about 378.4744003995.

The spelling of 54213760 in words is "fifty-four million, two hundred thirteen thousand, seven hundred sixty".