53136222 has 8 divisors (see below), whose sum is σ = 106272456. Its totient is φ = 17712072.

The previous prime is 53136221. The next prime is 53136229. The reversal of 53136222 is 22263135.

It is a sphenic number, since it is the product of 3 distinct primes.

53136222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 53136192 and 53136201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53136221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4428013 + ... + 4428024.

It is an arithmetic number, because the mean of its divisors is an integer number (13284057).

Almost surely, 2^53136222 is an apocalyptic number.

53136222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53136222 is a wasteful number, since it uses less digits than its factorization.

53136222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8856042.

The product of its digits is 2160, while the sum is 24.

The square root of 53136222 is about 7289.4596507560. The cubic root of 53136222 is about 375.9501169300.

Adding to 53136222 its reverse (22263135), we get a palindrome (75399357).

The spelling of 53136222 in words is "fifty-three million, one hundred thirty-six thousand, two hundred twenty-two".