6551541552 has 20 divisors (see below), whose sum is σ = 16924815800. Its totient is φ = 2183847168.

The previous prime is 6551541511. The next prime is 6551541553. The reversal of 6551541552 is 2551451556.

It is a self number, because there is not a number n which added to its sum of digits gives 6551541552.

It is not an unprimeable number, because it can be changed into a prime (6551541553) 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, 68245177 + ... + 68245272.

It is an arithmetic number, because the mean of its divisors is an integer number (846240790).

Almost surely, 2^6551541552 is an apocalyptic number.

It is an amenable number.

6551541552 is an abundant number, since it is smaller than the sum of its proper divisors (10373274248).

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

6551541552 is a wasteful number, since it uses less digits than its factorization.

6551541552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136490460 (or 136490454 counting only the distinct ones).

The product of its digits is 150000, while the sum is 39.

The square root of 6551541552 is about 80941.5934609642. The cubic root of 6551541552 is about 1871.1754029528.

The spelling of 6551541552 in words is "six billion, five hundred fifty-one million, five hundred forty-one thousand, five hundred fifty-two".