52136641 has 8 divisors (see below), whose sum is σ = 52614144. Its totient is φ = 51661680.

The previous prime is 52136629. The next prime is 52136647. The reversal of 52136641 is 14663125.

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 52136641 - 2¹⁵ = 52103873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52136647) 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, 75106 + ... + 75796.

It is an arithmetic number, because the mean of its divisors is an integer number (6576768).

Almost surely, 2^52136641 is an apocalyptic number.

It is an amenable number.

52136641 is a deficient number, since it is larger than the sum of its proper divisors (477503).

52136641 is a wasteful number, since it uses less digits than its factorization.

52136641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271.

The product of its digits is 4320, while the sum is 28.

The square root of 52136641 is about 7220.5706838172. The cubic root of 52136641 is about 373.5777618258.

Adding to 52136641 its reverse (14663125), we get a palindrome (66799766).

The spelling of 52136641 in words is "fifty-two million, one hundred thirty-six thousand, six hundred forty-one".