561060550 has 12 divisors (see below), whose sum is σ = 1043572716. Its totient is φ = 224424200.

The previous prime is 561060547. The next prime is 561060587. The reversal of 561060550 is 55060165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5610556 + ... + 5610655.

It is an arithmetic number, because the mean of its divisors is an integer number (86964393).

Almost surely, 2^561060550 is an apocalyptic number.

561060550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561060550 is a deficient number, since it is larger than the sum of its proper divisors (482512166).

561060550 is a wasteful number, since it uses less digits than its factorization.

561060550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11221223 (or 11221218 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 561060550 is about 23686.7167416677. The cubic root of 561060550 is about 824.7770686293. Note that the first 3 decimals are identical.

The spelling of 561060550 in words is "five hundred sixty-one million, sixty thousand, five hundred fifty".