505335155 has 16 divisors (see below), whose sum is σ = 653530080. Its totient is φ = 372895488.

The previous prime is 505335143. The next prime is 505335197. The reversal of 505335155 is 551533505.

It is a cyclic number.

It is not a de Polignac number, because 505335155 - 2²⁴ = 488557939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141431 + ... + 144959.

It is an arithmetic number, because the mean of its divisors is an integer number (40845630).

Almost surely, 2^505335155 is an apocalyptic number.

505335155 is a deficient number, since it is larger than the sum of its proper divisors (148194925).

505335155 is a wasteful number, since it uses less digits than its factorization.

505335155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750.

The product of its (nonzero) digits is 28125, while the sum is 32.

The square root of 505335155 is about 22479.6609182612. The cubic root of 505335155 is about 796.5135545071.

The spelling of 505335155 in words is "five hundred five million, three hundred thirty-five thousand, one hundred fifty-five".