5999556 has 24 divisors (see below), whose sum is σ = 14059584. Its totient is φ = 1991200.

The previous prime is 5999551. The next prime is 5999561. The reversal of 5999556 is 6559995.

5999556 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5999551) and next prime (5999561).

It is not an unprimeable number, because it can be changed into a prime (5999551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206 + ... + 4106.

It is an arithmetic number, because the mean of its divisors is an integer number (585816).

Almost surely, 2^5999556 is an apocalyptic number.

It is an amenable number.

5999556 is an abundant number, since it is smaller than the sum of its proper divisors (8060028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5999556 is a wasteful number, since it uses less digits than its factorization.

5999556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2169 counting only the distinct ones).

The product of its digits is 546750, while the sum is 48.

The square root of 5999556 is about 2449.3991099860. The cubic root of 5999556 is about 181.7075769419.

It can be divided in two parts, 5999 and 556, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 5999556 in words is "five million, nine hundred ninety-nine thousand, five hundred fifty-six".