505280552 has 24 divisors (see below), whose sum is σ = 1102079610. Its totient is φ = 216548640.

The previous prime is 505280539. The next prime is 505280557. The reversal of 505280552 is 255082505.

It can be written as a sum of positive squares in only one way, i.e., 277089316 + 228191236 = 16646^2 + 15106^2 .

It is not an unprimeable number, because it can be changed into a prime (505280557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 644099 + ... + 644882.

Almost surely, 2^505280552 is an apocalyptic number.

It is an amenable number.

505280552 is an abundant number, since it is smaller than the sum of its proper divisors (596799058).

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

505280552 is a wasteful number, since it uses less digits than its factorization.

505280552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289001 (or 1288990 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 505280552 is about 22478.4463875954. The cubic root of 505280552 is about 796.4848649032.

The spelling of 505280552 in words is "five hundred five million, two hundred eighty thousand, five hundred fifty-two".