5591871 has 24 divisors (see below), whose sum is σ = 8676720. Its totient is φ = 3459456.

The previous prime is 5591863. The next prime is 5591881. The reversal of 5591871 is 1781955.

It is not a de Polignac number, because 5591871 - 2³ = 5591863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8755 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (361530).

Almost surely, 2^5591871 is an apocalyptic number.

5591871 is a deficient number, since it is larger than the sum of its proper divisors (3084849).

5591871 is a wasteful number, since it uses less digits than its factorization.

5591871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 692 counting only the distinct ones).

The product of its digits is 12600, while the sum is 36.

The square root of 5591871 is about 2364.7137247456. The cubic root of 5591871 is about 177.4948328854.

The spelling of 5591871 in words is "five million, five hundred ninety-one thousand, eight hundred seventy-one".