520615050 has 48 divisors (see below), whose sum is σ = 1292542272. Its totient is φ = 138678400.

The previous prime is 520615013. The next prime is 520615063. The reversal of 520615050 is 50516025.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 520615050.

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, 225502 + ... + 227798.

It is an arithmetic number, because the mean of its divisors is an integer number (26927964).

Almost surely, 2^520615050 is an apocalyptic number.

520615050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

520615050 is an abundant number, since it is smaller than the sum of its proper divisors (771927222).

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

520615050 is a wasteful number, since it uses less digits than its factorization.

520615050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823 (or 3818 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 520615050 is about 22816.9903799778. The cubic root of 520615050 is about 804.4620713366.

The spelling of 520615050 in words is "five hundred twenty million, six hundred fifteen thousand, fifty".