54383220 has 72 divisors (see below), whose sum is σ = 169008840. Its totient is φ = 14146560.

The previous prime is 54383167. The next prime is 54383257. The reversal of 54383220 is 2238345.

54383220 is a `hidden beast` number, since 5 + 438 + 3 + 220 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4511376 + 49871844 = 2124^2 + 7062^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3696 + ... + 11064.

It is an arithmetic number, because the mean of its divisors is an integer number (2347345).

Almost surely, 2^54383220 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 54383220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84504420).

54383220 is an abundant number, since it is smaller than the sum of its proper divisors (114625620).

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

54383220 is a wasteful number, since it uses less digits than its factorization.

54383220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7425 (or 7420 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 54383220 is about 7374.4979490132. The cubic root of 54383220 is about 378.8683321400.

The spelling of 54383220 in words is "fifty-four million, three hundred eighty-three thousand, two hundred twenty".