5591879 has 4 divisors (see below), whose sum is σ = 5624376. Its totient is φ = 5559384.

The previous prime is 5591863. The next prime is 5591881. The reversal of 5591879 is 9781955.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9781955 = 5 ⋅1956391.

It is a cyclic number.

It is not a de Polignac number, because 5591879 - 2⁴ = 5591863 is a prime.

It is a super-3 number, since 3×5591879³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15989 + ... + 16334.

It is an arithmetic number, because the mean of its divisors is an integer number (1406094).

Almost surely, 2^5591879 is an apocalyptic number.

5591879 is a deficient number, since it is larger than the sum of its proper divisors (32497).

5591879 is a wasteful number, since it uses less digits than its factorization.

5591879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32496.

The product of its digits is 113400, while the sum is 44.

The square root of 5591879 is about 2364.7154162816. The cubic root of 5591879 is about 177.4949175295.

The spelling of 5591879 in words is "five million, five hundred ninety-one thousand, eight hundred seventy-nine".