54255205 has 4 divisors (see below), whose sum is σ = 65106252.
Its totient is φ = 43404160.
The previous prime is 54255181. The next prime is 54255217. The reversal of 54255205 is 50255245.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 22524516 + 31730689 = 4746^2 + 5633^2
It is not a de Polignac number, because 54255205 - 215 = 54222437 is a prime.
It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 5425516 + ... + 5425525.
It is an arithmetic number, because the mean of its divisors is an integer number (16276563).
Almost surely, 254255205 is an apocalyptic number.
It is an amenable number.
54255205 is a deficient number, since it is larger than the sum of its proper divisors (10851047).
54255205 is a wasteful number, since it uses less digits than its factorization.
54255205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10851046.
The product of its (nonzero) digits is 10000, while the sum is 28.
The square root of 54255205 is about 7365.8132612767.
The cubic root of 54255205 is about 378.5708204232.
The spelling of 54255205 in words is "fifty-four million, two hundred fifty-five thousand, two hundred five".