6535500500 has 24 divisors (see below), whose sum is σ = 14273534184. Its totient is φ = 2614200000.

The previous prime is 6535500497. The next prime is 6535500511. The reversal of 6535500500 is 50055356.

It can be written as a sum of positive squares in 4 ways, for example, as 1711642384 + 4823858116 = 41372^2 + 69454^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6535001 + ... + 6536000.

It is an arithmetic number, because the mean of its divisors is an integer number (594730591).

Almost surely, 2^6535500500 is an apocalyptic number.

It is an amenable number.

6535500500 is an abundant number, since it is smaller than the sum of its proper divisors (7738033684).

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

6535500500 is a wasteful number, since it uses less digits than its factorization.

6535500500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071020 (or 13071008 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 6535500500 is about 80842.4424420737. The cubic root of 6535500500 is about 1869.6470017248.

Adding to 6535500500 its reverse (50055356), we get a palindrome (6585555856).

The spelling of 6535500500 in words is "six billion, five hundred thirty-five million, five hundred thousand, five hundred".