53240355543 has 8 divisors (see below), whose sum is σ = 71006781168. Its totient is φ = 35483750144.

The previous prime is 53240355527. The next prime is 53240355551. The reversal of 53240355543 is 34555304235.

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 53240355543 - 2⁴ = 53240355527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53240355593) 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, 2442396 + ... + 2464097.

It is an arithmetic number, because the mean of its divisors is an integer number (8875847646).

Almost surely, 2^53240355543 is an apocalyptic number.

53240355543 is a deficient number, since it is larger than the sum of its proper divisors (17766425625).

53240355543 is a wasteful number, since it uses less digits than its factorization.

53240355543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4910113.

The product of its (nonzero) digits is 540000, while the sum is 39.

Adding to 53240355543 its reverse (34555304235), we get a palindrome (87795659778).

The spelling of 53240355543 in words is "fifty-three billion, two hundred forty million, three hundred fifty-five thousand, five hundred forty-three".