54534220 has 48 divisors (see below), whose sum is σ = 124312608. Its totient is φ = 19975680.

The previous prime is 54534209. The next prime is 54534229. The reversal of 54534220 is 2243545.

It is not an unprimeable number, because it can be changed into a prime (54534229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34855 + ... + 36385.

It is an arithmetic number, because the mean of its divisors is an integer number (2589846).

Almost surely, 2^54534220 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 54534220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62156304).

54534220 is an abundant number, since it is smaller than the sum of its proper divisors (69778388).

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

54534220 is a wasteful number, since it uses less digits than its factorization.

54534220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1688 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 54534220 is about 7384.7288372695. The cubic root of 54534220 is about 379.2186623270.

Adding to 54534220 its reverse (2243545), we get a palindrome (56777765).

The spelling of 54534220 in words is "fifty-four million, five hundred thirty-four thousand, two hundred twenty".