561883524 has 48 divisors (see below), whose sum is σ = 1396579968. Its totient is φ = 175211008.

The previous prime is 561883519. The next prime is 561883723. The reversal of 561883524 is 425388165.

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, 25822 + ... + 42314.

It is an arithmetic number, because the mean of its divisors is an integer number (29095416).

Almost surely, 2^561883524 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 561883524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698289984).

561883524 is an abundant number, since it is smaller than the sum of its proper divisors (834696444).

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

561883524 is a wasteful number, since it uses less digits than its factorization.

561883524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16684 (or 16682 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 561883524 is about 23704.0824332012. The cubic root of 561883524 is about 825.1801377075.

The spelling of 561883524 in words is "five hundred sixty-one million, eight hundred eighty-three thousand, five hundred twenty-four".