520434054 has 96 divisors (see below), whose sum is σ = 1366560000. Its totient is φ = 139828032.

The previous prime is 520434037. The next prime is 520434059. The reversal of 520434054 is 450434025.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520434059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355977 + ... + 357435.

It is an arithmetic number, because the mean of its divisors is an integer number (14235000).

Almost surely, 2^520434054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520434054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683280000).

520434054 is an abundant number, since it is smaller than the sum of its proper divisors (846125946).

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

520434054 is a wasteful number, since it uses less digits than its factorization.

520434054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 1639 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 520434054 is about 22813.0237802883. The cubic root of 520434054 is about 804.3688346327.

Adding to 520434054 its reverse (450434025), we get a palindrome (970868079).

The spelling of 520434054 in words is "five hundred twenty million, four hundred thirty-four thousand, fifty-four".