505504153 has 16 divisors (see below), whose sum is σ = 640926720. Its totient is φ = 387219600.

The previous prime is 505504127. The next prime is 505504169. The reversal of 505504153 is 351405505.

It is a cyclic number.

It is not a de Polignac number, because 505504153 - 2⁹ = 505503641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505504553) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 51093 + ... + 60178.

It is an arithmetic number, because the mean of its divisors is an integer number (40057920).

Almost surely, 2^505504153 is an apocalyptic number.

It is an amenable number.

505504153 is a deficient number, since it is larger than the sum of its proper divisors (135422567).

505504153 is a wasteful number, since it uses less digits than its factorization.

505504153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111348.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 505504153 is about 22483.4195130545. The cubic root of 505504153 is about 796.6023366374.

Adding to 505504153 its reverse (351405505), we get a palindrome (856909658).

The spelling of 505504153 in words is "five hundred five million, five hundred four thousand, one hundred fifty-three".