5559999 has 4 divisors (see below), whose sum is σ = 7413336. Its totient is φ = 3706664.

The previous prime is 5559979. The next prime is 5560001. The reversal of 5559999 is 9999555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5559999 - 2¹³ = 5551807 is a prime.

It is a D-number.

5559999 is a modest number, since divided by 9999 gives 555 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5559929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926664 + ... + 926669.

It is an arithmetic number, because the mean of its divisors is an integer number (1853334).

Almost surely, 2^5559999 is an apocalyptic number.

5559999 is a deficient number, since it is larger than the sum of its proper divisors (1853337).

5559999 is a wasteful number, since it uses less digits than its factorization.

5559999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853336.

The product of its digits is 820125, while the sum is 51.

The square root of 5559999 is about 2357.9650124631. The cubic root of 5559999 is about 177.1569675904.

The spelling of 5559999 in words is "five million, five hundred fifty-nine thousand, nine hundred ninety-nine".