520555431301050 has 48 divisors (see below), whose sum is σ = 1306531415075040. Its totient is φ = 137142314427840.

The previous prime is 520555431301049. The next prime is 520555431301069. The reversal of 520555431301050 is 50103134555025.

It is a super-2 number, since 2×520555431301050² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20905828165 + ... + 20905853064.

It is an arithmetic number, because the mean of its divisors is an integer number (27219404480730).

Almost surely, 2^{520555431301050} is an apocalyptic number.

520555431301050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

520555431301050 is an abundant number, since it is smaller than the sum of its proper divisors (785975983773990).

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

520555431301050 is a wasteful number, since it uses less digits than its factorization.

520555431301050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41811681327 (or 41811681322 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 39.

Adding to 520555431301050 its reverse (50103134555025), we get a palindrome (570658565856075).

The spelling of 520555431301050 in words is "five hundred twenty trillion, five hundred fifty-five billion, four hundred thirty-one million, three hundred one thousand, fifty".