505554130 has 16 divisors (see below), whose sum is σ = 915796440. Its totient is φ = 200932992.

The previous prime is 505554113. The next prime is 505554131. The reversal of 505554130 is 31455505.

It can be written as a sum of positive squares in 4 ways, for example, as 262537209 + 243016921 = 16203^2 + 15589^2 .

It is not an unprimeable number, because it can be changed into a prime (505554131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159435 + ... + 162574.

Almost surely, 2^505554130 is an apocalyptic number.

505554130 is a deficient number, since it is larger than the sum of its proper divisors (410242310).

505554130 is a wasteful number, since it uses less digits than its factorization.

505554130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322173.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 505554130 is about 22484.5309046019. The cubic root of 505554130 is about 796.6285879767.

The spelling of 505554130 in words is "five hundred five million, five hundred fifty-four thousand, one hundred thirty".