5809542 has 16 divisors (see below), whose sum is σ = 11838960. Its totient is φ = 1899872.

The previous prime is 5809511. The next prime is 5809549. The reversal of 5809542 is 2459085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5809549) 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, 8817 + ... + 9452.

It is an arithmetic number, because the mean of its divisors is an integer number (739935).

Almost surely, 2^5809542 is an apocalyptic number.

5809542 is an abundant number, since it is smaller than the sum of its proper divisors (6029418).

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

5809542 is a wasteful number, since it uses less digits than its factorization.

5809542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18327.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 5809542 is about 2410.2991515577. The cubic root of 5809542 is about 179.7686534044.

The spelling of 5809542 in words is "five million, eight hundred nine thousand, five hundred forty-two".