53340225 has 24 divisors (see below), whose sum is σ = 88720512. Its totient is φ = 28276800.

The previous prime is 53340173. The next prime is 53340227. The reversal of 53340225 is 52204335.

It is not a de Polignac number, because 53340225 - 2¹³ = 53332033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53340195 and 53340204.

It is not an unprimeable number, because it can be changed into a prime (53340227) 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, 10920 + ... + 15030.

It is an arithmetic number, because the mean of its divisors is an integer number (3696688).

Almost surely, 2^53340225 is an apocalyptic number.

It is an amenable number.

53340225 is a deficient number, since it is larger than the sum of its proper divisors (35380287).

53340225 is a wasteful number, since it uses less digits than its factorization.

53340225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297 (or 4292 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 53340225 is about 7303.4392583221. The cubic root of 53340225 is about 376.4306241207.

The spelling of 53340225 in words is "fifty-three million, three hundred forty thousand, two hundred twenty-five".