6500525553 has 12 divisors (see below), whose sum is σ = 9390355728. Its totient is φ = 4333357080.

The previous prime is 6500525543. The next prime is 6500525567. The reversal of 6500525553 is 3555250056.

6500525553 is a `hidden beast` number, since 6 + 50 + 0 + 52 + 5 + 553 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-6500525553 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6500525533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190398 + ... + 221928.

It is an arithmetic number, because the mean of its divisors is an integer number (782529644).

Almost surely, 2^6500525553 is an apocalyptic number.

It is an amenable number.

6500525553 is a deficient number, since it is larger than the sum of its proper divisors (2889830175).

6500525553 is a wasteful number, since it uses less digits than its factorization.

6500525553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54444 (or 54441 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The square root of 6500525553 is about 80625.8367584486. The cubic root of 6500525553 is about 1866.3058753207.

The spelling of 6500525553 in words is "six billion, five hundred million, five hundred twenty-five thousand, five hundred fifty-three".