52636863 has 8 divisors (see below), whose sum is σ = 70826800. Its totient is φ = 34769088.

The previous prime is 52636861. The next prime is 52636873. The reversal of 52636863 is 36863625.

It is a happy number.

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

It is not a de Polignac number, because 52636863 - 2¹ = 52636861 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 (52636861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80158 + ... + 80811.

It is an arithmetic number, because the mean of its divisors is an integer number (8853350).

Almost surely, 2^52636863 is an apocalyptic number.

52636863 is a deficient number, since it is larger than the sum of its proper divisors (18189937).

52636863 is a wasteful number, since it uses less digits than its factorization.

52636863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161081.

The product of its digits is 155520, while the sum is 39.

The square root of 52636863 is about 7255.1266701554. The cubic root of 52636863 is about 374.7687178299.

The spelling of 52636863 in words is "fifty-two million, six hundred thirty-six thousand, eight hundred sixty-three".