5599999 has 2 divisors, whose sum is σ = 5600000. Its totient is φ = 5599998.

The previous prime is 5599981. The next prime is 5600027. The reversal of 5599999 is 9999955.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5599999 - 2⁵ = 5599967 is a prime.

5599999 is a modest number, since divided by 9999 gives 559 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5599939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2799999 + 2800000.

It is an arithmetic number, because the mean of its divisors is an integer number (2800000).

Almost surely, 2^5599999 is an apocalyptic number.

5599999 is a deficient number, since it is larger than the sum of its proper divisors (1).

5599999 is an equidigital number, since it uses as much as digits as its factorization.

5599999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1476225, while the sum is 55.

The square root of 5599999 is about 2366.4317019513. The cubic root of 5599999 is about 177.5807897782.

It can be divided in two parts, 55 and 99999, that multiplied together give a palindrome (5499945).

The spelling of 5599999 in words is "five million, five hundred ninety-nine thousand, nine hundred ninety-nine".