53226340 has 12 divisors (see below), whose sum is σ = 111775356. Its totient is φ = 21290528.

The previous prime is 53226317. The next prime is 53226359. The reversal of 53226340 is 4362235.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41679936 + 11546404 = 6456^2 + 3398^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330639 + ... + 1330678.

It is an arithmetic number, because the mean of its divisors is an integer number (9314613).

Almost surely, 2^53226340 is an apocalyptic number.

It is an amenable number.

53226340 is an abundant number, since it is smaller than the sum of its proper divisors (58549016).

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

53226340 is a wasteful number, since it uses less digits than its factorization.

53226340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661326 (or 2661324 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 53226340 is about 7295.6384230580. The cubic root of 53226340 is about 376.1625315892.

Adding to 53226340 its reverse (4362235), we get a palindrome (57588575).

The spelling of 53226340 in words is "fifty-three million, two hundred twenty-six thousand, three hundred forty".