505504788 has 24 divisors (see below), whose sum is σ = 1183687008. Its totient is φ = 167905056.

The previous prime is 505504763. The next prime is 505504847. The reversal of 505504788 is 887405505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71031 + ... + 77822.

It is an arithmetic number, because the mean of its divisors is an integer number (49320292).

Almost surely, 2^505504788 is an apocalyptic number.

It is an amenable number.

505504788 is an abundant number, since it is smaller than the sum of its proper divisors (678182220).

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

505504788 is a wasteful number, since it uses less digits than its factorization.

505504788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149143 (or 149141 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 505504788 is about 22483.4336345675. The cubic root of 505504788 is about 796.6026701937.

The spelling of 505504788 in words is "five hundred five million, five hundred four thousand, seven hundred eighty-eight".