52143533 has 8 divisors (see below), whose sum is σ = 56598528. Its totient is φ = 47751984.

The previous prime is 52143527. The next prime is 52143557. The reversal of 52143533 is 33534125.

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 52143533 - 2⁴ = 52143517 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 (52143503) 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, 14141 + ... + 17442.

It is an arithmetic number, because the mean of its divisors is an integer number (7074816).

Almost surely, 2^52143533 is an apocalyptic number.

It is an amenable number.

52143533 is a deficient number, since it is larger than the sum of its proper divisors (4454995).

52143533 is a wasteful number, since it uses less digits than its factorization.

52143533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31723.

The product of its digits is 5400, while the sum is 26.

The square root of 52143533 is about 7221.0479156422. The cubic root of 52143533 is about 373.5942223191.

Adding to 52143533 its reverse (33534125), we get a palindrome (85677658).

The spelling of 52143533 in words is "fifty-two million, one hundred forty-three thousand, five hundred thirty-three".