52140543 has 64 divisors (see below), whose sum is σ = 90660864. Its totient is φ = 25920000.

The previous prime is 52140533. The next prime is 52140559. The reversal of 52140543 is 34504125.

It is not a de Polignac number, because 52140543 - 2¹³ = 52132351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52140523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 516193 + ... + 516293.

It is an arithmetic number, because the mean of its divisors is an integer number (1416576).

Almost surely, 2^52140543 is an apocalyptic number.

52140543 is a deficient number, since it is larger than the sum of its proper divisors (38520321).

52140543 is a wasteful number, since it uses less digits than its factorization.

52140543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216.

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

The square root of 52140543 is about 7220.8408790113. The cubic root of 52140543 is about 373.5870813372.

Adding to 52140543 its reverse (34504125), we get a palindrome (86644668).

The spelling of 52140543 in words is "fifty-two million, one hundred forty thousand, five hundred forty-three".