52277225 has 48 divisors (see below), whose sum is σ = 87077760.
Its totient is φ = 30067200.
The previous prime is 52277213. The next prime is 52277231.
52277225 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 52277225 - 26 = 52277161 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 52277191 and 52277200.
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 47 ways as a sum of consecutive naturals, for example, 23981 + ... + 26069.
It is an arithmetic number, because the mean of its divisors is an integer number (1814120).
Almost surely, 252277225 is an apocalyptic number.
52277225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
52277225 is a deficient number, since it is larger than the sum of its proper divisors (34800535).
52277225 is a wasteful number, since it uses less digits than its factorization.
52277225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2130 (or 2125 counting only the distinct ones).
The product of its digits is 19600, while the sum is 32.
The square root of 52277225 is about 7230.2990947816.
The cubic root of 52277225 is about 373.9132387610.
The spelling of 52277225 in words is "fifty-two million, two hundred seventy-seven thousand, two hundred twenty-five".