505560045 has 64 divisors (see below), whose sum is σ = 870704640. Its totient is φ = 249984000.

The previous prime is 505560031. The next prime is 505560049. The reversal of 505560045 is 540065505.

It is not a de Polignac number, because 505560045 - 2⁷ = 505559917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505559994 and 505560021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505560049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1625440 + ... + 1625750.

It is an arithmetic number, because the mean of its divisors is an integer number (13604760).

Almost surely, 2^505560045 is an apocalyptic number.

It is an amenable number.

505560045 is a deficient number, since it is larger than the sum of its proper divisors (365144595).

505560045 is a wasteful number, since it uses less digits than its factorization.

505560045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 505560045 is about 22484.6624390939. The cubic root of 505560045 is about 796.6316948248.

The spelling of 505560045 in words is "five hundred five million, five hundred sixty thousand, forty-five".