520134554 has 16 divisors (see below), whose sum is σ = 807323136. Its totient is φ = 251067600.

The previous prime is 520134553. The next prime is 520134607. The reversal of 520134554 is 455431025.

It is not an unprimeable number, because it can be changed into a prime (520134553) 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, 16139 + ... + 36065.

It is an arithmetic number, because the mean of its divisors is an integer number (50457696).

Almost surely, 2^520134554 is an apocalyptic number.

520134554 is a deficient number, since it is larger than the sum of its proper divisors (287188582).

520134554 is a wasteful number, since it uses less digits than its factorization.

520134554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20381.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 520134554 is about 22806.4586027730. The cubic root of 520134554 is about 804.2145053175.

Adding to 520134554 its reverse (455431025), we get a palindrome (975565579).

The spelling of 520134554 in words is "five hundred twenty million, one hundred thirty-four thousand, five hundred fifty-four".