52638727 has 8 divisors (see below), whose sum is σ = 53524800. Its totient is φ = 51758304.

The previous prime is 52638689. The next prime is 52638737. The reversal of 52638727 is 72783625.

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

It is a cyclic number.

It is not a de Polignac number, because 52638727 - 2¹¹ = 52636679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52638727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52638737) 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 7 ways as a sum of consecutive naturals, for example, 20013 + ... + 22489.

It is an arithmetic number, because the mean of its divisors is an integer number (6690600).

Almost surely, 2^52638727 is an apocalyptic number.

52638727 is a deficient number, since it is larger than the sum of its proper divisors (886073).

52638727 is a wasteful number, since it uses less digits than its factorization.

52638727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its digits is 141120, while the sum is 40.

The square root of 52638727 is about 7255.2551299041. The cubic root of 52638727 is about 374.7731416032.

The spelling of 52638727 in words is "fifty-two million, six hundred thirty-eight thousand, seven hundred twenty-seven".