505552305 has 32 divisors (see below), whose sum is σ = 855982080. Its totient is φ = 254260160.

The previous prime is 505552303. The next prime is 505552321. The reversal of 505552305 is 503255505.

It is not a de Polignac number, because 505552305 - 2¹ = 505552303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505552301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14176 + ... + 34814.

It is an arithmetic number, because the mean of its divisors is an integer number (26749440).

Almost surely, 2^505552305 is an apocalyptic number.

It is an amenable number.

505552305 is a deficient number, since it is larger than the sum of its proper divisors (350429775).

505552305 is a wasteful number, since it uses less digits than its factorization.

505552305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20741.

The product of its (nonzero) digits is 18750, while the sum is 30.

The square root of 505552305 is about 22484.4903211080. The cubic root of 505552305 is about 796.6276293923.

The spelling of 505552305 in words is "five hundred five million, five hundred fifty-two thousand, three hundred five".