560505551 has 4 divisors (see below), whose sum is σ = 560870352. Its totient is φ = 560140752.

The previous prime is 560505457. The next prime is 560505571. The reversal of 560505551 is 155505065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-560505551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (560505571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180086 + ... + 183171.

It is an arithmetic number, because the mean of its divisors is an integer number (140217588).

Almost surely, 2^560505551 is an apocalyptic number.

560505551 is a deficient number, since it is larger than the sum of its proper divisors (364801).

560505551 is a wasteful number, since it uses less digits than its factorization.

560505551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364800.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 560505551 is about 23674.9984371700. The cubic root of 560505551 is about 824.5050234426.

The spelling of 560505551 in words is "five hundred sixty million, five hundred five thousand, five hundred fifty-one".