5591172 has 12 divisors (see below), whose sum is σ = 13046096. Its totient is φ = 1863720.

The previous prime is 5591137. The next prime is 5591197. The reversal of 5591172 is 2711955.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×5591172² = 62522408667168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232954 + ... + 232977.

Almost surely, 2^5591172 is an apocalyptic number.

It is an amenable number.

5591172 is an abundant number, since it is smaller than the sum of its proper divisors (7454924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5591172 is a wasteful number, since it uses less digits than its factorization.

5591172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465938 (or 465936 counting only the distinct ones).

The product of its digits is 3150, while the sum is 30.

The square root of 5591172 is about 2364.5659221092. The cubic root of 5591172 is about 177.4874367885.

The spelling of 5591172 in words is "five million, five hundred ninety-one thousand, one hundred seventy-two".