53163225 has 36 divisors (see below), whose sum is σ = 95677036. Its totient is φ = 28218240.

The previous prime is 53163217. The next prime is 53163239. The reversal of 53163225 is 52236135.

53163225 is a `hidden beast` number, since 5 + 3 + 1 + 632 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 16548624 + 36614601 = 4068^2 + 6051^2 .

It is not a de Polignac number, because 53163225 - 2³ = 53163217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 61899 + ... + 62751.

Almost surely, 2^53163225 is an apocalyptic number.

It is an amenable number.

53163225 is a deficient number, since it is larger than the sum of its proper divisors (42513811).

53163225 is a wasteful number, since it uses less digits than its factorization.

53163225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1138 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 53163225 is about 7291.3116104032. The cubic root of 53163225 is about 376.0137901423.

The spelling of 53163225 in words is "fifty-three million, one hundred sixty-three thousand, two hundred twenty-five".