53163236 has 18 divisors (see below), whose sum is σ = 108225558. Its totient is φ = 22784160.

The previous prime is 53163217. The next prime is 53163239. The reversal of 53163236 is 63236135.

It is a happy number.

53163236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 52998400 + 164836 = 7280^2 + 406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53163199 and 53163208.

It is not an unprimeable number, because it can be changed into a prime (53163239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135425 + ... + 135816.

It is an arithmetic number, because the mean of its divisors is an integer number (6012531).

Almost surely, 2^53163236 is an apocalyptic number.

It is an amenable number.

53163236 is an abundant number, since it is smaller than the sum of its proper divisors (55062322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53163236 is a wasteful number, since it uses less digits than its factorization.

53163236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271259 (or 271250 counting only the distinct ones).

The product of its digits is 9720, while the sum is 29.

The square root of 53163236 is about 7291.3123647256. The cubic root of 53163236 is about 376.0138160760.

The spelling of 53163236 in words is "fifty-three million, one hundred sixty-three thousand, two hundred thirty-six".