13543240050 has 36 divisors (see below), whose sum is σ = 36386172810. Its totient is φ = 3611530560.

The previous prime is 13543240027. The next prime is 13543240057. The reversal of 13543240050 is 5004234531.

It can be written as a sum of positive squares in 3 ways, for example, as 9120059001 + 4423181049 = 95499^2 + 66507^2 .

It is a super-3 number, since 3×13543240050³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13543239996 and 13543240023.

It is not an unprimeable number, because it can be changed into a prime (13543240057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15047595 + ... + 15048494.

Almost surely, 2^13543240050 is an apocalyptic number.

13543240050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13543240050 is an abundant number, since it is smaller than the sum of its proper divisors (22842932760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13543240050 is a wasteful number, since it uses less digits than its factorization.

13543240050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30096107 (or 30096099 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 13543240050 its reverse (5004234531), we get a palindrome (18547474581).

The spelling of 13543240050 in words is "thirteen billion, five hundred forty-three million, two hundred forty thousand, fifty".