561603392 has 56 divisors (see below), whose sum is σ = 1303300416. Its totient is φ = 235081728.

The previous prime is 561603391. The next prime is 561603401. The reversal of 561603392 is 293306165.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561603391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4688 + ... + 33840.

Almost surely, 2^561603392 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 561603392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651650208).

561603392 is an abundant number, since it is smaller than the sum of its proper divisors (741697024).

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

561603392 is a wasteful number, since it uses less digits than its factorization.

561603392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29215 (or 29205 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 561603392 is about 23698.1727565650. The cubic root of 561603392 is about 825.0429812930.

The spelling of 561603392 in words is "five hundred sixty-one million, six hundred three thousand, three hundred ninety-two".