5556865 has 8 divisors (see below), whose sum is σ = 6687720. Its totient is φ = 4432512.

The previous prime is 5556851. The next prime is 5556877. The reversal of 5556865 is 5686555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 399424 + 5157441 = 632^2 + 2271^2 .

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 5556865 - 2²¹ = 3459713 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517 + ... + 3373.

It is an arithmetic number, because the mean of its divisors is an integer number (835965).

Almost surely, 2^5556865 is an apocalyptic number.

It is an amenable number.

5556865 is a deficient number, since it is larger than the sum of its proper divisors (1130855).

5556865 is a wasteful number, since it uses less digits than its factorization.

5556865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its digits is 180000, while the sum is 40.

The square root of 5556865 is about 2357.3003627031. The cubic root of 5556865 is about 177.1236753609.

The spelling of 5556865 in words is "five million, five hundred fifty-six thousand, eight hundred sixty-five".