545221210050 has 240 divisors, whose sum is σ = 1667802628800. Its totient is φ = 130961059200.

The previous prime is 545221209997. The next prime is 545221210063. The reversal of 545221210050 is 50012122545.

545221210050 is a `hidden beast` number, since 545 + 2 + 2 + 12 + 100 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 545221209996 and 545221210023.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4799811 + ... + 4912089.

It is an arithmetic number, because the mean of its divisors is an integer number (6949177620).

Almost surely, 2^545221210050 is an apocalyptic number.

545221210050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 545221210050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833901314400).

545221210050 is an abundant number, since it is smaller than the sum of its proper divisors (1122581418750).

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

545221210050 is a wasteful number, since it uses less digits than its factorization.

545221210050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112423 (or 112409 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 545221210050 its reverse (50012122545), we get a palindrome (595233332595).

The spelling of 545221210050 in words is "five hundred forty-five billion, two hundred twenty-one million, two hundred ten thousand, fifty".