6553325633 has 4 divisors (see below), whose sum is σ = 6730442580. Its totient is φ = 6376208688.

The previous prime is 6553325629. The next prime is 6553325671. The reversal of 6553325633 is 3365233556.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5663616049 + 889709584 = 75257^2 + 29828^2 .

It is a cyclic number.

It is not a de Polignac number, because 6553325633 - 2² = 6553325629 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6553325683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88558418 + ... + 88558491.

It is an arithmetic number, because the mean of its divisors is an integer number (1682610645).

Almost surely, 2^6553325633 is an apocalyptic number.

It is an amenable number.

6553325633 is a deficient number, since it is larger than the sum of its proper divisors (177116947).

6553325633 is a wasteful number, since it uses less digits than its factorization.

6553325633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177116946.

The product of its digits is 729000, while the sum is 41.

The square root of 6553325633 is about 80952.6135032094. The cubic root of 6553325633 is about 1871.3452370535.

The spelling of 6553325633 in words is "six billion, five hundred fifty-three million, three hundred twenty-five thousand, six hundred thirty-three".