505515552 has 24 divisors (see below), whose sum is σ = 1326978576. Its totient is φ = 168505152.

The previous prime is 505515547. The next prime is 505515589. The reversal of 505515552 is 255515505.

It is a tau number, because it is divible by the number of its divisors (24).

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 3 ways as a sum of consecutive naturals, for example, 2632798 + ... + 2632989.

It is an arithmetic number, because the mean of its divisors is an integer number (55290774).

Almost surely, 2^505515552 is an apocalyptic number.

It is an amenable number.

505515552 is an abundant number, since it is smaller than the sum of its proper divisors (821463024).

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

505515552 is a wasteful number, since it uses less digits than its factorization.

505515552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265800 (or 5265792 counting only the distinct ones).

The product of its (nonzero) digits is 31250, while the sum is 33.

The square root of 505515552 is about 22483.6730095418. The cubic root of 505515552 is about 796.6083243243.

The spelling of 505515552 in words is "five hundred five million, five hundred fifteen thousand, five hundred fifty-two".