5531724 has 72 divisors (see below), whose sum is σ = 15571920. Its totient is φ = 1641600.

The previous prime is 5531723. The next prime is 5531777. The reversal of 5531724 is 4271355.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5531723) 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, 24042 + ... + 24270.

Almost surely, 2^5531724 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 5531724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7785960).

5531724 is an abundant number, since it is smaller than the sum of its proper divisors (10040196).

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

5531724 is a wasteful number, since it uses less digits than its factorization.

5531724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 306 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 5531724 is about 2351.9617343826. The cubic root of 5531724 is about 176.8561504800.

The spelling of 5531724 in words is "five million, five hundred thirty-one thousand, seven hundred twenty-four".