505560547 has 4 divisors (see below), whose sum is σ = 505744096. Its totient is φ = 505377000.

The previous prime is 505560521. The next prime is 505560577. The reversal of 505560547 is 745065505.

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

It is a cyclic number.

It is not a de Polignac number, because 505560547 - 2¹⁵ = 505527779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505560577) 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, 87579 + ... + 93172.

It is an arithmetic number, because the mean of its divisors is an integer number (126436024).

Almost surely, 2^505560547 is an apocalyptic number.

505560547 is a deficient number, since it is larger than the sum of its proper divisors (183549).

505560547 is a wasteful number, since it uses less digits than its factorization.

505560547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183548.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 505560547 is about 22484.6736022563. The cubic root of 505560547 is about 796.6319584987.

The spelling of 505560547 in words is "five hundred five million, five hundred sixty thousand, five hundred forty-seven".