505502755 has 4 divisors (see below), whose sum is σ = 606603312. Its totient is φ = 404402200.

The previous prime is 505502743. The next prime is 505502761. The reversal of 505502755 is 557205505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557205505 = 5 ⋅111441101.

It is not a de Polignac number, because 505502755 - 2¹¹ = 505500707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505502755.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50550271 + ... + 50550280.

It is an arithmetic number, because the mean of its divisors is an integer number (151650828).

Almost surely, 2^505502755 is an apocalyptic number.

505502755 is a deficient number, since it is larger than the sum of its proper divisors (101100557).

505502755 is a wasteful number, since it uses less digits than its factorization.

505502755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101100556.

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 505502755 is about 22483.3884234561. The cubic root of 505502755 is about 796.6016022873.

The spelling of 505502755 in words is "five hundred five million, five hundred two thousand, seven hundred fifty-five".