561656060 has 48 divisors (see below), whose sum is σ = 1349483520. Its totient is φ = 192352320.

The previous prime is 561656059. The next prime is 561656083. The reversal of 561656060 is 60656165.

561656060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 561656060.

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, 170711 + ... + 173969.

It is an arithmetic number, because the mean of its divisors is an integer number (28114240).

Almost surely, 2^561656060 is an apocalyptic number.

It is an amenable number.

561656060 is an abundant number, since it is smaller than the sum of its proper divisors (787827460).

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

561656060 is a wasteful number, since it uses less digits than its factorization.

561656060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506 (or 4504 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 561656060 is about 23699.2839554279. The cubic root of 561656060 is about 825.0687717387.

The spelling of 561656060 in words is "five hundred sixty-one million, six hundred fifty-six thousand, sixty".