6553575563913 has 48 divisors (see below), whose sum is σ = 10831436129280. Its totient is φ = 3740459202432.

The previous prime is 6553575563903. The next prime is 6553575563947. The reversal of 6553575563913 is 3193655753556.

6553575563913 is a `hidden beast` number, since 6 + 5 + 5 + 3 + 57 + 5 + 563 + 9 + 13 = 666.

It is not a de Polignac number, because 6553575563913 - 2⁹ = 6553575563401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (6553575563903) 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, 338274295 + ... + 338293667.

It is an arithmetic number, because the mean of its divisors is an integer number (225654919360).

Almost surely, 2^{6553575563913} is an apocalyptic number.

6553575563913 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6553575563913 is a deficient number, since it is larger than the sum of its proper divisors (4277860565367).

6553575563913 is a wasteful number, since it uses less digits than its factorization.

6553575563913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25478 (or 25475 counting only the distinct ones).

The product of its digits is 191362500, while the sum is 63.

The spelling of 6553575563913 in words is "six trillion, five hundred fifty-three billion, five hundred seventy-five million, five hundred sixty-three thousand, nine hundred thirteen".