54538224 has 80 divisors (see below), whose sum is σ = 153990144. Its totient is φ = 16531200.

The previous prime is 54538223. The next prime is 54538229. The reversal of 54538224 is 42283545.

It is a Cunningham number, because it is equal to 7385²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54538223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43689 + ... + 44919.

Almost surely, 2^54538224 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 54538224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76995072).

54538224 is an abundant number, since it is smaller than the sum of its proper divisors (99451920).

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

54538224 is a wasteful number, since it uses less digits than its factorization.

54538224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1320 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 54538224 is about 7384.9999322952. Note that the first 4 decimals coincide. The cubic root of 54538224 is about 379.2279430707.

The spelling of 54538224 in words is "fifty-four million, five hundred thirty-eight thousand, two hundred twenty-four".