53509226 has 4 divisors (see below), whose sum is σ = 80263842. Its totient is φ = 26754612.

The previous prime is 53509213. The next prime is 53509231. The reversal of 53509226 is 62290535.

53509226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 7315²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53509225 + 1 = 7315^2 + 1^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53509192 and 53509201.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13377305 + ... + 13377308.

Almost surely, 2^53509226 is an apocalyptic number.

53509226 is a deficient number, since it is larger than the sum of its proper divisors (26754616).

53509226 is a wasteful number, since it uses less digits than its factorization.

53509226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26754615.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 53509226 is about 7315.0000683527. Note that the first 4 decimals coincide. The cubic root of 53509226 is about 376.8277608194.

It can be divided in two parts, 53509 and 226, that added together give a palindrome (53735).

The spelling of 53509226 in words is "fifty-three million, five hundred nine thousand, two hundred twenty-six".