505545760 has 48 divisors (see below), whose sum is σ = 1197286272. Its totient is φ = 201721600.

The previous prime is 505545757. The next prime is 505545793. The reversal of 505545760 is 67545505.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65295 + ... + 72625.

It is an arithmetic number, because the mean of its divisors is an integer number (24943464).

Almost surely, 2^505545760 is an apocalyptic number.

It is an amenable number.

505545760 is an abundant number, since it is smaller than the sum of its proper divisors (691740512).

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

505545760 is a wasteful number, since it uses less digits than its factorization.

505545760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777 (or 7769 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 505545760 is about 22484.3447758657. The cubic root of 505545760 is about 796.6241916007.

The spelling of 505545760 in words is "five hundred five million, five hundred forty-five thousand, seven hundred sixty".