5591318 has 4 divisors (see below), whose sum is σ = 8386980. Its totient is φ = 2795658.

The previous prime is 5591309. The next prime is 5591359. The reversal of 5591318 is 8131955.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1397828 + ... + 1397831.

It is an arithmetic number, because the mean of its divisors is an integer number (2096745).

Almost surely, 2^5591318 is an apocalyptic number.

5591318 is a deficient number, since it is larger than the sum of its proper divisors (2795662).

5591318 is a wasteful number, since it uses less digits than its factorization.

5591318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795661.

The product of its digits is 5400, while the sum is 32.

The square root of 5591318 is about 2364.5967943817. The cubic root of 5591318 is about 177.4889816608.

The spelling of 5591318 in words is "five million, five hundred ninety-one thousand, three hundred eighteen".