6523543852 has 72 divisors (see below), whose sum is σ = 14109757200. Its totient is φ = 2626356096.

The previous prime is 6523543837. The next prime is 6523543853. The reversal of 6523543852 is 2583453256.

It is a junction number, because it is equal to n+sod(n) for n = 6523543799 and 6523543808.

It is not an unprimeable number, because it can be changed into a prime (6523543853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194799 + ... + 225817.

It is an arithmetic number, because the mean of its divisors is an integer number (195968850).

Almost surely, 2^6523543852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6523543852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7054878600).

6523543852 is an abundant number, since it is smaller than the sum of its proper divisors (7586213348).

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

6523543852 is a wasteful number, since it uses less digits than its factorization.

6523543852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31103 (or 31094 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The square root of 6523543852 is about 80768.4582742546. The cubic root of 6523543852 is about 1868.5061374279.

The spelling of 6523543852 in words is "six billion, five hundred twenty-three million, five hundred forty-three thousand, eight hundred fifty-two".