52543608999 has 48 divisors (see below), whose sum is σ = 86177258496. Its totient is φ = 28347580800.

The previous prime is 52543608983. The next prime is 52543609003. The reversal of 52543608999 is 99980634525.

It is not a de Polignac number, because 52543608999 - 2⁴ = 52543608983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52543603999) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46224 + ... + 327450.

It is an arithmetic number, because the mean of its divisors is an integer number (1795359552).

Almost surely, 2^52543608999 is an apocalyptic number.

52543608999 is a deficient number, since it is larger than the sum of its proper divisors (33633649497).

52543608999 is a wasteful number, since it uses less digits than its factorization.

52543608999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281316 (or 281309 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 52543608999 in words is "fifty-two billion, five hundred forty-three million, six hundred eight thousand, nine hundred ninety-nine".