6551613552 has 40 divisors (see below), whose sum is σ = 18463639680. Its totient is φ = 1985337280.

The previous prime is 6551613539. The next prime is 6551613557. The reversal of 6551613552 is 2553161556.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6551613552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551613557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6203652 + ... + 6204707.

It is an arithmetic number, because the mean of its divisors is an integer number (461590992).

Almost surely, 2^6551613552 is an apocalyptic number.

It is an amenable number.

6551613552 is an abundant number, since it is smaller than the sum of its proper divisors (11912026128).

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

6551613552 is a wasteful number, since it uses less digits than its factorization.

6551613552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12408381 (or 12408375 counting only the distinct ones).

The product of its digits is 135000, while the sum is 39.

The square root of 6551613552 is about 80942.0382248928. The cubic root of 6551613552 is about 1871.1822575296.

The spelling of 6551613552 in words is "six billion, five hundred fifty-one million, six hundred thirteen thousand, five hundred fifty-two".