505550530 has 32 divisors (see below), whose sum is σ = 926588160. Its totient is φ = 198555840.

The previous prime is 505550509. The next prime is 505550543. The reversal of 505550530 is 35055505.

It is a super-3 number, since 3×505550530³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189667 + ... + 192313.

It is an arithmetic number, because the mean of its divisors is an integer number (28955880).

Almost surely, 2^505550530 is an apocalyptic number.

505550530 is a deficient number, since it is larger than the sum of its proper divisors (421037630).

505550530 is a wasteful number, since it uses less digits than its factorization.

505550530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994.

The product of its (nonzero) digits is 9375, while the sum is 28.

The square root of 505550530 is about 22484.4508494204. The cubic root of 505550530 is about 796.6266970682.

The spelling of 505550530 in words is "five hundred five million, five hundred fifty thousand, five hundred thirty".