54582220 has 144 divisors (see below), whose sum is σ = 151619328. Its totient is φ = 16030080.

The previous prime is 54582217. The next prime is 54582221. The reversal of 54582220 is 2228545.

54582220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54582221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 814627 + ... + 814693.

It is an arithmetic number, because the mean of its divisors is an integer number (1052912).

Almost surely, 2^54582220 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 54582220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75809664).

54582220 is an abundant number, since it is smaller than the sum of its proper divisors (97037108).

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

54582220 is a wasteful number, since it uses less digits than its factorization.

54582220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 54582220 is about 7387.9780725175. The cubic root of 54582220 is about 379.3298900900.

The spelling of 54582220 in words is "fifty-four million, five hundred eighty-two thousand, two hundred twenty".