561055719 has 8 divisors (see below), whose sum is σ = 854942080. Its totient is φ = 320603256.

The previous prime is 561055717. The next prime is 561055723. The reversal of 561055719 is 917550165.

561055719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 561055719 - 2¹ = 561055717 is a prime.

It is a super-2 number, since 2×561055719² = 629567039645213922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561055717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13358449 + ... + 13358490.

It is an arithmetic number, because the mean of its divisors is an integer number (106867760).

Almost surely, 2^561055719 is an apocalyptic number.

561055719 is a deficient number, since it is larger than the sum of its proper divisors (293886361).

561055719 is a wasteful number, since it uses less digits than its factorization.

561055719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26716949.

The product of its (nonzero) digits is 47250, while the sum is 39.

The square root of 561055719 is about 23686.6147644614. The cubic root of 561055719 is about 824.7747013807.

The spelling of 561055719 in words is "five hundred sixty-one million, fifty-five thousand, seven hundred nineteen".