505825755 has 16 divisors (see below), whose sum is σ = 809616384. Its totient is φ = 269675360.

The previous prime is 505825753. The next prime is 505825757. The reversal of 505825755 is 557528505.

It is an interprime number because it is at equal distance from previous prime (505825753) and next prime (505825757).

It is not a de Polignac number, because 505825755 - 2¹ = 505825753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505825751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57820 + ... + 65990.

It is an arithmetic number, because the mean of its divisors is an integer number (50601024).

Almost surely, 2^505825755 is an apocalyptic number.

505825755 is a deficient number, since it is larger than the sum of its proper divisors (303790629).

505825755 is a wasteful number, since it uses less digits than its factorization.

505825755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12306.

The product of its (nonzero) digits is 350000, while the sum is 42.

The square root of 505825755 is about 22490.5703573742. The cubic root of 505825755 is about 796.7712337626.

The spelling of 505825755 in words is "five hundred five million, eight hundred twenty-five thousand, seven hundred fifty-five".