561927024 has 80 divisors (see below), whose sum is σ = 1617158400. Its totient is φ = 186819264.

The previous prime is 561927013. The next prime is 561927031. The reversal of 561927024 is 420729165.

561927024 is a `hidden beast` number, since 561 + 9 + 2 + 70 + 24 = 666.

561927024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 23705²-1.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 561927024.

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, 188167 + ... + 191129.

It is an arithmetic number, because the mean of its divisors is an integer number (20214480).

Almost surely, 2^561927024 is an apocalyptic number.

561927024 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561927024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808579200).

561927024 is an abundant number, since it is smaller than the sum of its proper divisors (1055231376).

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

561927024 is a wasteful number, since it uses less digits than its factorization.

561927024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 561927024 is about 23704.9999789074. Note that the first 4 decimals coincide. The cubic root of 561927024 is about 825.2014318062.

The spelling of 561927024 in words is "five hundred sixty-one million, nine hundred twenty-seven thousand, twenty-four".