6553883557 has 16 divisors (see below), whose sum is σ = 7521615360. Its totient is φ = 5663572992.

The previous prime is 6553883533. The next prime is 6553883587. The reversal of 6553883557 is 7553883556.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-6553883557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6553883498 and 6553883507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6553883527) 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, 219132 + ... + 247237.

It is an arithmetic number, because the mean of its divisors is an integer number (470100960).

Almost surely, 2^6553883557 is an apocalyptic number.

It is an amenable number.

6553883557 is a deficient number, since it is larger than the sum of its proper divisors (967731803).

6553883557 is a wasteful number, since it uses less digits than its factorization.

6553883557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466452.

The product of its digits is 15120000, while the sum is 55.

The square root of 6553883557 is about 80956.0594211452. The cubic root of 6553883557 is about 1871.3983418358.

Subtracting 6553883557 from its reverse (7553883556), we obtain a palindrome (999999999).

The spelling of 6553883557 in words is "six billion, five hundred fifty-three million, eight hundred eighty-three thousand, five hundred fifty-seven".