6554556 has 36 divisors (see below), whose sum is σ = 16685032. Its totient is φ = 2169504.

The previous prime is 6554539. The next prime is 6554557.

6554556 = T₂₉₃ + T₂₉₄ + ... + T₄₀₀.

It is a happy number.

6554556 is a `hidden beast` number, since 65 + 545 + 56 = 666.

6554556 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 6² + 5⁴ + 5⁶ + 4¹¹ + 5⁸ + 5⁹ + 6³ .

It is a self number, because there is not a number n which added to its sum of digits gives 6554556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6554557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5310 + ... + 6426.

Almost surely, 2^6554556 is an apocalyptic number.

It is an amenable number.

6554556 is an abundant number, since it is smaller than the sum of its proper divisors (10130476).

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

6554556 is a wasteful number, since it uses less digits than its factorization.

6554556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1285 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 6554556 is about 2560.1867119411. The cubic root of 6554556 is about 187.1462342855.

The spelling of 6554556 in words is "six million, five hundred fifty-four thousand, five hundred fifty-six".