54255220 has 24 divisors (see below), whose sum is σ = 115869600. Its totient is φ = 21333792.

The previous prime is 54255217. The next prime is 54255233. The reversal of 54255220 is 2255245.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21810 + ... + 24169.

It is an arithmetic number, because the mean of its divisors is an integer number (4827900).

Almost surely, 2^54255220 is an apocalyptic number.

It is an amenable number.

54255220 is an abundant number, since it is smaller than the sum of its proper divisors (61614380).

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

54255220 is a wasteful number, since it uses less digits than its factorization.

54255220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46047 (or 46045 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 54255220 is about 7365.8142794942. The cubic root of 54255220 is about 378.5708553111.

Adding to 54255220 its sum of digits (25), we get a palindrome (54255245).

The spelling of 54255220 in words is "fifty-four million, two hundred fifty-five thousand, two hundred twenty".