52710138 has 24 divisors (see below), whose sum is σ = 122990868. Its totient is φ = 16218432.

The previous prime is 52710109. The next prime is 52710157. The reversal of 52710138 is 83101725.

52710138 is a `hidden beast` number, since 527 + 1 + 0 + 138 = 666.

52710138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41641209 + 11068929 = 6453^2 + 3327^2 .

It is a Curzon number.

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 in 11 ways as a sum of consecutive naturals, for example, 112395 + ... + 112862.

Almost surely, 2^52710138 is an apocalyptic number.

52710138 is an abundant number, since it is smaller than the sum of its proper divisors (70280730).

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

52710138 is a wasteful number, since it uses less digits than its factorization.

52710138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225278 (or 225275 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 52710138 is about 7260.1747912843. The cubic root of 52710138 is about 374.9425405295.

The spelling of 52710138 in words is "fifty-two million, seven hundred ten thousand, one hundred thirty-eight".