52727287 has 4 divisors (see below), whose sum is σ = 53106760. Its totient is φ = 52347816.

The previous prime is 52727281. The next prime is 52727317. The reversal of 52727287 is 78272725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52727287 - 2¹⁵ = 52694519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52727281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189528 + ... + 189805.

It is an arithmetic number, because the mean of its divisors is an integer number (13276690).

Almost surely, 2^52727287 is an apocalyptic number.

52727287 is a deficient number, since it is larger than the sum of its proper divisors (379473).

52727287 is a wasteful number, since it uses less digits than its factorization.

52727287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379472.

The product of its digits is 109760, while the sum is 40.

The square root of 52727287 is about 7261.3557274107. The cubic root of 52727287 is about 374.9831980620.

The spelling of 52727287 in words is "fifty-two million, seven hundred twenty-seven thousand, two hundred eighty-seven".