5591895 has 16 divisors (see below), whose sum is σ = 9473760. Its totient is φ = 2806784.

The previous prime is 5591891. The next prime is 5591897. The reversal of 5591895 is 5981955.

It is a happy number.

5591895 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5591895 - 2² = 5591891 is a prime.

5591895 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591891) 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 15 ways as a sum of consecutive naturals, for example, 10710 + ... + 11219.

It is an arithmetic number, because the mean of its divisors is an integer number (592110).

Almost surely, 2^5591895 is an apocalyptic number.

5591895 is a deficient number, since it is larger than the sum of its proper divisors (3881865).

5591895 is a wasteful number, since it uses less digits than its factorization.

5591895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21954.

The product of its digits is 81000, while the sum is 42.

The square root of 5591895 is about 2364.7187993501. The cubic root of 5591895 is about 177.4950868177.

The spelling of 5591895 in words is "five million, five hundred ninety-one thousand, eight hundred ninety-five".