52086638 has 8 divisors (see below), whose sum is σ = 82242120. Its totient is φ = 24672600.

The previous prime is 52086613. The next prime is 52086641. The reversal of 52086638 is 83668025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1370701 = 52086638 / (5 + 2 + 0 + 8 + 6 + 6 + 3 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685313 + ... + 685388.

It is an arithmetic number, because the mean of its divisors is an integer number (10280265).

Almost surely, 2^52086638 is an apocalyptic number.

52086638 is a deficient number, since it is larger than the sum of its proper divisors (30155482).

52086638 is a wasteful number, since it uses less digits than its factorization.

52086638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370722.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 52086638 is about 7217.1073152614. The cubic root of 52086638 is about 373.4582938055.

The spelling of 52086638 in words is "fifty-two million, eighty-six thousand, six hundred thirty-eight".