561056704 has 28 divisors (see below), whose sum is σ = 1198990744. Its totient is φ = 258948864.

The previous prime is 561056701. The next prime is 561056737. The reversal of 561056704 is 407650165.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 561056704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561056701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336342 + ... + 338005.

It is an arithmetic number, because the mean of its divisors is an integer number (42821098).

Almost surely, 2^561056704 is an apocalyptic number.

It is an amenable number.

561056704 is an abundant number, since it is smaller than the sum of its proper divisors (637934040).

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

561056704 is a wasteful number, since it uses less digits than its factorization.

561056704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674372 (or 674362 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 561056704 is about 23686.6355567860. The cubic root of 561056704 is about 824.7751840438.

The spelling of 561056704 in words is "five hundred sixty-one million, fifty-six thousand, seven hundred four".