53186225 has 24 divisors (see below), whose sum is σ = 71141280. Its totient is φ = 39312000.

The previous prime is 53186219. The next prime is 53186233. The reversal of 53186225 is 52268135.

It is not a de Polignac number, because 53186225 - 2¹⁶ = 53120689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53186191 and 53186200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18110 + ... + 20840.

It is an arithmetic number, because the mean of its divisors is an integer number (2964220).

Almost surely, 2^53186225 is an apocalyptic number.

It is an amenable number.

53186225 is a deficient number, since it is larger than the sum of its proper divisors (17955055).

53186225 is a wasteful number, since it uses less digits than its factorization.

53186225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2796 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 53186225 is about 7292.8886595093. Note that the first 3 decimals coincide. The cubic root of 53186225 is about 376.0680072589.

The spelling of 53186225 in words is "fifty-three million, one hundred eighty-six thousand, two hundred twenty-five".