52707136 has 28 divisors (see below), whose sum is σ = 104931972. Its totient is φ = 26267648.

The previous prime is 52707107. The next prime is 52707139. The reversal of 52707136 is 63170725.

It can be written as a sum of positive squares in 2 ways, for example, as 19713600 + 32993536 = 4440^2 + 5744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52707098 and 52707107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52707139) by changing a digit.

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, 21426 + ... + 23758.

Almost surely, 2^52707136 is an apocalyptic number.

It is an amenable number.

52707136 is a deficient number, since it is larger than the sum of its proper divisors (52224836).

52707136 is a wasteful number, since it uses less digits than its factorization.

52707136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 52707136 is about 7259.9680440068. The cubic root of 52707136 is about 374.9354223614.

The spelling of 52707136 in words is "fifty-two million, seven hundred seven thousand, one hundred thirty-six".