52136543 has 8 divisors (see below), whose sum is σ = 53503296. Its totient is φ = 50774400.

The previous prime is 52136521. The next prime is 52136549. The reversal of 52136543 is 34563125.

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

It is not a de Polignac number, because 52136543 - 2¹⁶ = 52071007 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 (52136549) 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, 41738 + ... + 42968.

It is an arithmetic number, because the mean of its divisors is an integer number (6687912).

Almost surely, 2^52136543 is an apocalyptic number.

52136543 is a deficient number, since it is larger than the sum of its proper divisors (1366753).

52136543 is a wasteful number, since it uses less digits than its factorization.

52136543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305.

The product of its digits is 10800, while the sum is 29.

The square root of 52136543 is about 7220.5638976468. The cubic root of 52136543 is about 373.5775277572.

Adding to 52136543 its reverse (34563125), we get a palindrome (86699668).

The spelling of 52136543 in words is "fifty-two million, one hundred thirty-six thousand, five hundred forty-three".