5805540 has 96 divisors (see below), whose sum is σ = 19474560. Its totient is φ = 1427328.

The previous prime is 5805529. The next prime is 5805577. The reversal of 5805540 is 455085.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6607 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (202860).

Almost surely, 2^5805540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5805540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9737280).

5805540 is an abundant number, since it is smaller than the sum of its proper divisors (13669020).

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

5805540 is a wasteful number, since it uses less digits than its factorization.

5805540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 5805540 is about 2409.4688211305. The cubic root of 5805540 is about 179.7273650428.

The spelling of 5805540 in words is "five million, eight hundred five thousand, five hundred forty".