5591855 has 4 divisors (see below), whose sum is σ = 6710232. Its totient is φ = 4473480.

The previous prime is 5591837. The next prime is 5591863. The reversal of 5591855 is 5581955.

5591855 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5591855 - 2⁶ = 5591791 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 559181 + ... + 559190.

It is an arithmetic number, because the mean of its divisors is an integer number (1677558).

Almost surely, 2^5591855 is an apocalyptic number.

5591855 is a deficient number, since it is larger than the sum of its proper divisors (1118377).

5591855 is a wasteful number, since it uses less digits than its factorization.

5591855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118376.

The product of its digits is 45000, while the sum is 38.

The square root of 5591855 is about 2364.7103416698. The cubic root of 5591855 is about 177.4946635968.

It can be divided in two parts, 5591 and 855, that added together give a palindrome (6446).

The spelling of 5591855 in words is "five million, five hundred ninety-one thousand, eight hundred fifty-five".