561316050 has 72 divisors (see below), whose sum is σ = 1587465360. Its totient is φ = 141804000.

The previous prime is 561316033. The next prime is 561316051. The reversal of 561316050 is 50613165.

It is a happy number.

561316050 is a `hidden beast` number, since 56 + 1 + 3 + 1 + 605 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (561316051) 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 35 ways as a sum of consecutive naturals, for example, 24276 + ... + 41375.

It is an arithmetic number, because the mean of its divisors is an integer number (22048130).

Almost surely, 2^561316050 is an apocalyptic number.

561316050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561316050 is an abundant number, since it is smaller than the sum of its proper divisors (1026149310).

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

561316050 is a wasteful number, since it uses less digits than its factorization.

561316050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65688 (or 65680 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 561316050 is about 23692.1094459738. The cubic root of 561316050 is about 824.9022473711.

The spelling of 561316050 in words is "five hundred sixty-one million, three hundred sixteen thousand, fifty".