52313138 has 4 divisors (see below), whose sum is σ = 78469710. Its totient is φ = 26156568.

The previous prime is 52313123. The next prime is 52313141. The reversal of 52313138 is 83131325.

52313138 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 only one way, i.e., 27741289 + 24571849 = 5267^2 + 4957^2 .

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, 13078283 + ... + 13078286.

Almost surely, 2^52313138 is an apocalyptic number.

52313138 is a deficient number, since it is larger than the sum of its proper divisors (26156572).

52313138 is a wasteful number, since it uses less digits than its factorization.

52313138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26156571.

The product of its digits is 2160, while the sum is 26.

The square root of 52313138 is about 7232.7821756223. The cubic root of 52313138 is about 373.9988418277.

The spelling of 52313138 in words is "fifty-two million, three hundred thirteen thousand, one hundred thirty-eight".