561053718 has 24 divisors (see below), whose sum is σ = 1248472368. Its totient is φ = 181963152.

The previous prime is 561053699. The next prime is 561053719. The reversal of 561053718 is 817350165.

561053718 is a `hidden beast` number, since 5 + 610 + 5 + 37 + 1 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561053719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420546 + ... + 421877.

It is an arithmetic number, because the mean of its divisors is an integer number (52019682).

Almost surely, 2^561053718 is an apocalyptic number.

561053718 is an abundant number, since it is smaller than the sum of its proper divisors (687418650).

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

561053718 is a wasteful number, since it uses less digits than its factorization.

561053718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842468 (or 842465 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 561053718 is about 23686.5725253782. The cubic root of 561053718 is about 824.7737208625.

The spelling of 561053718 in words is "five hundred sixty-one million, fifty-three thousand, seven hundred eighteen".