505560550 has 96 divisors (see below), whose sum is σ = 1092787200. Its totient is φ = 172080000.

The previous prime is 505560521. The next prime is 505560577. The reversal of 505560550 is 55065505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1055211 + ... + 1055689.

It is an arithmetic number, because the mean of its divisors is an integer number (11383200).

Almost surely, 2^505560550 is an apocalyptic number.

505560550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505560550 is an abundant number, since it is smaller than the sum of its proper divisors (587226650).

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

505560550 is a wasteful number, since it uses less digits than its factorization.

505560550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 505560550 is about 22484.6736689684. The cubic root of 505560550 is about 796.6319600745.

The spelling of 505560550 in words is "five hundred five million, five hundred sixty thousand, five hundred fifty".