5556961 has 8 divisors (see below), whose sum is σ = 5823360. Its totient is φ = 5292672.

The previous prime is 5556959. The next prime is 5556983. The reversal of 5556961 is 1696555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5556961 - 2¹ = 5556959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5556961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7921 + ... + 8593.

It is an arithmetic number, because the mean of its divisors is an integer number (727920).

Almost surely, 2^5556961 is an apocalyptic number.

It is an amenable number.

5556961 is a deficient number, since it is larger than the sum of its proper divisors (266399).

5556961 is a wasteful number, since it uses less digits than its factorization.

5556961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its digits is 40500, while the sum is 37.

The square root of 5556961 is about 2357.3207248909. The cubic root of 5556961 is about 177.1246953470.

The spelling of 5556961 in words is "five million, five hundred fifty-six thousand, nine hundred sixty-one".