52138036 has 12 divisors (see below), whose sum is σ = 91309540. Its totient is φ = 26049600.

The previous prime is 52138003. The next prime is 52138043. The reversal of 52138036 is 63083125.

It can be written as a sum of positive squares in 2 ways, for example, as 51753636 + 384400 = 7194^2 + 620^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52137995 and 52138013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386 + ... + 10486.

Almost surely, 2^52138036 is an apocalyptic number.

It is an amenable number.

52138036 is a deficient number, since it is larger than the sum of its proper divisors (39171504).

52138036 is a wasteful number, since it uses less digits than its factorization.

52138036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714 (or 9712 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 52138036 is about 7220.6672821838. The cubic root of 52138036 is about 373.5810936881.

The spelling of 52138036 in words is "fifty-two million, one hundred thirty-eight thousand, thirty-six".