505050504 has 64 divisors (see below), whose sum is σ = 1445283840. Its totient is φ = 144072000.

The previous prime is 505050493. The next prime is 505050517. The reversal of 505050504 is 405050505.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 124167 + ... + 128169.

It is an arithmetic number, because the mean of its divisors is an integer number (22582560).

Almost surely, 2^505050504 is an apocalyptic number.

It is an amenable number.

505050504 is an abundant number, since it is smaller than the sum of its proper divisors (940233336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505050504 is a wasteful number, since it uses less digits than its factorization.

505050504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770 (or 4766 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 505050504 is about 22473.3287254025. The cubic root of 505050504 is about 796.3639699774.

Subtracting from 505050504 its reverse (405050505), we obtain a palindrome (99999999).

The spelling of 505050504 in words is "five hundred five million, fifty thousand, five hundred four".