5537224 has 64 divisors (see below), whose sum is σ = 13219200. Its totient is φ = 2112000.

The previous prime is 5537221. The next prime is 5537243. The reversal of 5537224 is 4227355.

It is a Harshad number since it is a multiple of its sum of digits (28).

Its product of digits (8400) is a multiple of the sum of its prime divisors (210).

It is a junction number, because it is equal to n+sod(n) for n = 5537192 and 5537201.

It is not an unprimeable number, because it can be changed into a prime (5537221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54774 + ... + 54874.

It is an arithmetic number, because the mean of its divisors is an integer number (206550).

Almost surely, 2^5537224 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 5537224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6609600).

5537224 is an abundant number, since it is smaller than the sum of its proper divisors (7681976).

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

5537224 is a wasteful number, since it uses less digits than its factorization.

5537224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 210 counting only the distinct ones).

The product of its digits is 8400, while the sum is 28.

The square root of 5537224 is about 2353.1306806040. The cubic root of 5537224 is about 176.9147450296.

It can be divided in two parts, 553 and 7224, that added together give a palindrome (7777).

The spelling of 5537224 in words is "five million, five hundred thirty-seven thousand, two hundred twenty-four".