561607652055 has 8 divisors (see below), whose sum is σ = 898572243312. Its totient is φ = 299524081088.

The previous prime is 561607652033. The next prime is 561607652057. The reversal of 561607652055 is 550256706165.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 561607652055 - 2⁸ = 561607651799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561607651995 and 561607652013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561607652057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18720255054 + ... + 18720255083.

It is an arithmetic number, because the mean of its divisors is an integer number (112321530414).

Almost surely, 2^561607652055 is an apocalyptic number.

561607652055 is a deficient number, since it is larger than the sum of its proper divisors (336964591257).

561607652055 is a wasteful number, since it uses less digits than its factorization.

561607652055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37440510145.

The product of its (nonzero) digits is 1890000, while the sum is 48.

The spelling of 561607652055 in words is "five hundred sixty-one billion, six hundred seven million, six hundred fifty-two thousand, fifty-five".