561483756 has 18 divisors (see below), whose sum is σ = 1419306252. Its totient is φ = 187161240.

The previous prime is 561483739. The next prime is 561483757. The reversal of 561483756 is 657384165.

561483756 is a `hidden beast` number, since 561 + 4 + 8 + 37 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (561483757) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7798350 + ... + 7798421.

Almost surely, 2^561483756 is an apocalyptic number.

It is an amenable number.

561483756 is an abundant number, since it is smaller than the sum of its proper divisors (857822496).

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

561483756 is a wasteful number, since it uses less digits than its factorization.

561483756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15596781 (or 15596776 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 561483756 is about 23695.6484612682. The cubic root of 561483756 is about 824.9843919912.

The spelling of 561483756 in words is "five hundred sixty-one million, four hundred eighty-three thousand, seven hundred fifty-six".