52226137 has 4 divisors (see below), whose sum is σ = 52274340. Its totient is φ = 52177936.

The previous prime is 52226131. The next prime is 52226149. The reversal of 52226137 is 73162225.

52226137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28955161 + 23270976 = 5381^2 + 4824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52226137 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (52226131) 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 3 ways as a sum of consecutive naturals, for example, 22438 + ... + 24655.

It is an arithmetic number, because the mean of its divisors is an integer number (13068585).

Almost surely, 2^52226137 is an apocalyptic number.

It is an amenable number.

52226137 is a deficient number, since it is larger than the sum of its proper divisors (48203).

52226137 is a wasteful number, since it uses less digits than its factorization.

52226137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48202.

The product of its digits is 5040, while the sum is 28.

The square root of 52226137 is about 7226.7653206673. The cubic root of 52226137 is about 373.7913966295.

The spelling of 52226137 in words is "fifty-two million, two hundred twenty-six thousand, one hundred thirty-seven".