506550561500 has 48 divisors (see below), whose sum is σ = 1107034490016. Its totient is φ = 202486880000.

The previous prime is 506550561499. The next prime is 506550561523. The reversal of 506550561500 is 5165055605.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428900 + ... + 1094100.

It is an arithmetic number, because the mean of its divisors is an integer number (23063218542).

Almost surely, 2^506550561500 is an apocalyptic number.

506550561500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

506550561500 is an abundant number, since it is smaller than the sum of its proper divisors (600483928516).

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

506550561500 is a wasteful number, since it uses less digits than its factorization.

506550561500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666743 (or 666731 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 506550561500 in words is "five hundred six billion, five hundred fifty million, five hundred sixty-one thousand, five hundred".