5581156 has 24 divisors (see below), whose sum is σ = 11402496. Its totient is φ = 2340480.

The previous prime is 5581141. The next prime is 5581171. The reversal of 5581156 is 6511855.

It is an interprime number because it is at equal distance from previous prime (5581141) and next prime (5581171).

It is a super-3 number, since 3×5581156³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 805 + ... + 3436.

It is an arithmetic number, because the mean of its divisors is an integer number (475104).

Almost surely, 2^5581156 is an apocalyptic number.

It is an amenable number.

5581156 is an abundant number, since it is smaller than the sum of its proper divisors (5821340).

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

5581156 is a wasteful number, since it uses less digits than its factorization.

5581156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299 (or 4297 counting only the distinct ones).

The product of its digits is 6000, while the sum is 31.

The square root of 5581156 is about 2362.4470364434. The cubic root of 5581156 is about 177.3813900447.

The spelling of 5581156 in words is "five million, five hundred eighty-one thousand, one hundred fifty-six".