5805557 has 4 divisors (see below), whose sum is σ = 5818560. Its totient is φ = 5792556.

The previous prime is 5805529. The next prime is 5805577. The reversal of 5805557 is 7555085.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7555085 = 5 ⋅1511017.

It is a cyclic number.

It is not a de Polignac number, because 5805557 - 2⁶ = 5805493 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 (5805577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5807 + ... + 6732.

It is an arithmetic number, because the mean of its divisors is an integer number (1454640).

Almost surely, 2^5805557 is an apocalyptic number.

It is an amenable number.

5805557 is a deficient number, since it is larger than the sum of its proper divisors (13003).

5805557 is a wasteful number, since it uses less digits than its factorization.

5805557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13002.

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 5805557 is about 2409.4723488764. The cubic root of 5805557 is about 179.7275404708.

The spelling of 5805557 in words is "five million, eight hundred five thousand, five hundred fifty-seven".