52212543 has 8 divisors (see below), whose sum is σ = 69662208. Its totient is φ = 34785624.

The previous prime is 52212521. The next prime is 52212571. The reversal of 52212543 is 34521225.

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

It is not a de Polignac number, because 52212543 - 2²⁵ = 18658111 is a prime.

It is a super-2 number, since 2×52212543² = 5452299293053698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52212343) 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, 696 + ... + 10242.

It is an arithmetic number, because the mean of its divisors is an integer number (8707776).

Almost surely, 2^52212543 is an apocalyptic number.

52212543 is a deficient number, since it is larger than the sum of its proper divisors (17449665).

52212543 is a wasteful number, since it uses less digits than its factorization.

52212543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11373.

The product of its digits is 2400, while the sum is 24.

The square root of 52212543 is about 7225.8247280155. The cubic root of 52212543 is about 373.7589622874.

Adding to 52212543 its reverse (34521225), we get a palindrome (86733768).

The spelling of 52212543 in words is "fifty-two million, two hundred twelve thousand, five hundred forty-three".