6554994556 has 48 divisors (see below), whose sum is σ = 12876579072. Its totient is φ = 2893884800.

The previous prime is 6554994541. The next prime is 6554994559.

6554994556 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6554994556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6554994559) 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, 401505 + ... + 417511.

It is an arithmetic number, because the mean of its divisors is an integer number (268262064).

Almost surely, 2^6554994556 is an apocalyptic number.

It is an amenable number.

6554994556 is a deficient number, since it is larger than the sum of its proper divisors (6321584516).

6554994556 is a wasteful number, since it uses less digits than its factorization.

6554994556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16290 (or 16288 counting only the distinct ones).

The product of its digits is 29160000, while the sum is 58.

The square root of 6554994556 is about 80962.9208712235. The cubic root of 6554994556 is about 1871.5040808833.

The spelling of 6554994556 in words is "six billion, five hundred fifty-four million, nine hundred ninety-four thousand, five hundred fifty-six".