5561724 has 48 divisors (see below), whose sum is σ = 15051008. Its totient is φ = 1565568.

The previous prime is 5561719. The next prime is 5561779. The reversal of 5561724 is 4271655.

It is a junction number, because it is equal to n+sod(n) for n = 5561691 and 5561700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5679 + ... + 6585.

Almost surely, 2^5561724 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 5561724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7525504).

5561724 is an abundant number, since it is smaller than the sum of its proper divisors (9489284).

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

5561724 is a wasteful number, since it uses less digits than its factorization.

5561724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 992 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 5561724 is about 2358.3307656052. The cubic root of 5561724 is about 177.1752867886.

The spelling of 5561724 in words is "five million, five hundred sixty-one thousand, seven hundred twenty-four".