54384220 has 24 divisors (see below), whose sum is σ = 124589808. Its totient is φ = 19776000.

The previous prime is 54384151. The next prime is 54384221. The reversal of 54384220 is 2248345.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54384221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123381 + ... + 123820.

It is an arithmetic number, because the mean of its divisors is an integer number (5191242).

Almost surely, 2^54384220 is an apocalyptic number.

It is an amenable number.

54384220 is an abundant number, since it is smaller than the sum of its proper divisors (70205588).

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

54384220 is a wasteful number, since it uses less digits than its factorization.

54384220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247221 (or 247219 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 54384220 is about 7374.5657499272. The cubic root of 54384220 is about 378.8706543392.

The spelling of 54384220 in words is "fifty-four million, three hundred eighty-four thousand, two hundred twenty".