6553543180 has 72 divisors (see below), whose sum is σ = 15255561888. Its totient is φ = 2359898112.

The previous prime is 6553543153. The next prime is 6553543273. The reversal of 6553543180 is 813453556.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108292 + ... + 157588.

It is an arithmetic number, because the mean of its divisors is an integer number (211882804).

Almost surely, 2^6553543180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6553543180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7627780944).

6553543180 is an abundant number, since it is smaller than the sum of its proper divisors (8702018708).

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

6553543180 is a wasteful number, since it uses less digits than its factorization.

6553543180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49363 (or 49344 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 6553543180 is about 80953.9571608454. The cubic root of 6553543180 is about 1871.3659441500.

The spelling of 6553543180 in words is "six billion, five hundred fifty-three million, five hundred forty-three thousand, one hundred eighty".