5621112 has 96 divisors (see below), whose sum is σ = 18345600. Its totient is φ = 1518912.

The previous prime is 5621081. The next prime is 5621113. The reversal of 5621112 is 2111265.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621113) 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, 9283 + ... + 9869.

It is an arithmetic number, because the mean of its divisors is an integer number (191100).

Almost surely, 2^5621112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5621112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9172800).

5621112 is an abundant number, since it is smaller than the sum of its proper divisors (12724488).

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

5621112 is a wasteful number, since it uses less digits than its factorization.

5621112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 618 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 5621112 is about 2370.8884410701. Note that the first 3 decimals coincide. The cubic root of 5621112 is about 177.8036803693.

Adding to 5621112 its reverse (2111265), we get a palindrome (7732377).

The spelling of 5621112 in words is "five million, six hundred twenty-one thousand, one hundred twelve".