561761048 has 8 divisors (see below), whose sum is σ = 1053301980. Its totient is φ = 280880520.

The previous prime is 561761041. The next prime is 561761051. The reversal of 561761048 is 840167165.

561761048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561761041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35110058 + ... + 35110073.

Almost surely, 2^561761048 is an apocalyptic number.

It is an amenable number.

561761048 is a deficient number, since it is larger than the sum of its proper divisors (491540932).

561761048 is a wasteful number, since it uses less digits than its factorization.

561761048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70220137 (or 70220133 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 561761048 is about 23701.4988555576. The cubic root of 561761048 is about 825.1201774118.

The spelling of 561761048 in words is "five hundred sixty-one million, seven hundred sixty-one thousand, forty-eight".