54248220 has 144 divisors (see below), whose sum is σ = 179786880. Its totient is φ = 13160448.

The previous prime is 54248213. The next prime is 54248231. The reversal of 54248220 is 2284245.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 226861 + ... + 227099.

It is an arithmetic number, because the mean of its divisors is an integer number (1248520).

Almost surely, 2^54248220 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 54248220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89893440).

54248220 is an abundant number, since it is smaller than the sum of its proper divisors (125538660).

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

54248220 is a wasteful number, since it uses less digits than its factorization.

54248220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 54248220 is about 7365.3390960634. The cubic root of 54248220 is about 378.5545735600.

The spelling of 54248220 in words is "fifty-four million, two hundred forty-eight thousand, two hundred twenty".