6535525560 has 64 divisors (see below), whose sum is σ = 20759911200. Its totient is φ = 1640288256.

The previous prime is 6535525471. The next prime is 6535525561. The reversal of 6535525560 is 655255356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6535525561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599805 + ... + 1603884.

Almost surely, 2^6535525560 is an apocalyptic number.

6535525560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6535525560 is an abundant number, since it is smaller than the sum of its proper divisors (14224385640).

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

6535525560 is a wasteful number, since it uses less digits than its factorization.

6535525560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3203720 (or 3203716 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 42.

The square root of 6535525560 is about 80842.5974347683. The cubic root of 6535525560 is about 1869.6493914063.

The spelling of 6535525560 in words is "six billion, five hundred thirty-five million, five hundred twenty-five thousand, five hundred sixty".