52550225 has 24 divisors (see below), whose sum is σ = 80203200. Its totient is φ = 33261120.

The previous prime is 52550221. The next prime is 52550227. The reversal of 52550225 is 52205525.

It is not a de Polignac number, because 52550225 - 2² = 52550221 is a prime.

It is a super-2 number, since 2×52550225² = 5523052295101250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52550194 and 52550203.

It is not an unprimeable number, because it can be changed into a prime (52550221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9275 + ... + 13824.

It is an arithmetic number, because the mean of its divisors is an integer number (3341800).

Almost surely, 2^52550225 is an apocalyptic number.

It is an amenable number.

52550225 is a deficient number, since it is larger than the sum of its proper divisors (27652975).

52550225 is a wasteful number, since it uses less digits than its factorization.

52550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23129 (or 23124 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 52550225 is about 7249.1533988460. The cubic root of 52550225 is about 374.5629872137.

The spelling of 52550225 in words is "fifty-two million, five hundred fifty thousand, two hundred twenty-five".