5599997 has 4 divisors (see below), whose sum is σ = 6030780. Its totient is φ = 5169216.

The previous prime is 5599981. The next prime is 5599999. The reversal of 5599997 is 7999955.

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

It can be written as a sum of positive squares in 2 ways, for example, as 337561 + 5262436 = 581^2 + 2294^2 .

It is not a de Polignac number, because 5599997 - 2⁴ = 5599981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5599999) 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, 215372 + ... + 215397.

It is an arithmetic number, because the mean of its divisors is an integer number (1507695).

Almost surely, 2^5599997 is an apocalyptic number.

It is an amenable number.

5599997 is a deficient number, since it is larger than the sum of its proper divisors (430783).

5599997 is a wasteful number, since it uses less digits than its factorization.

5599997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430782.

The product of its digits is 1148175, while the sum is 53.

The square root of 5599997 is about 2366.4312793741. The cubic root of 5599997 is about 177.5807686377.

The spelling of 5599997 in words is "five million, five hundred ninety-nine thousand, nine hundred ninety-seven".