52140343 has 8 divisors (see below), whose sum is σ = 56382912. Its totient is φ = 48028416.

The previous prime is 52140337. The next prime is 52140349. The reversal of 52140343 is 34304125.

It is an interprime number because it is at equal distance from previous prime (52140337) and next prime (52140349).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52140343 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 (52140349) 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, 31830 + ... + 33427.

It is an arithmetic number, because the mean of its divisors is an integer number (7047864).

Almost surely, 2^52140343 is an apocalyptic number.

52140343 is a deficient number, since it is larger than the sum of its proper divisors (4242569).

52140343 is a wasteful number, since it uses less digits than its factorization.

52140343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65321.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 52140343 is about 7220.8270301954. The cubic root of 52140343 is about 373.5866036698.

Adding to 52140343 its reverse (34304125), we get a palindrome (86444468).

The spelling of 52140343 in words is "fifty-two million, one hundred forty thousand, three hundred forty-three".