504520664 has 16 divisors (see below), whose sum is σ = 946774320. Its totient is φ = 252047520.

The previous prime is 504520651. The next prime is 504520673. The reversal of 504520664 is 466025405.

It is a super-2 number, since 2×504520664² = 509082200806001792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 504520664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16292 + ... + 35699.

It is an arithmetic number, because the mean of its divisors is an integer number (59173395).

Almost surely, 2^504520664 is an apocalyptic number.

It is an amenable number.

504520664 is a deficient number, since it is larger than the sum of its proper divisors (442253656).

504520664 is a wasteful number, since it uses less digits than its factorization.

504520664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53210 (or 53206 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 504520664 is about 22461.5374362487. The cubic root of 504520664 is about 796.0853885150.

The spelling of 504520664 in words is "five hundred four million, five hundred twenty thousand, six hundred sixty-four".