545221202050 has 48 divisors (see below), whose sum is σ = 1166094954432. Its totient is φ = 185786136000.

The previous prime is 545221202017. The next prime is 545221202051. The reversal of 545221202050 is 50202122545.

It is a super-3 number, since 3×545221202050³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (545221202051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4721401 + ... + 4835500.

It is an arithmetic number, because the mean of its divisors is an integer number (24293644884).

Almost surely, 2^545221202050 is an apocalyptic number.

545221202050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545221202050 is an abundant number, since it is smaller than the sum of its proper divisors (620873752382).

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

545221202050 is a wasteful number, since it uses less digits than its factorization.

545221202050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9557083 (or 9557078 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 545221202050 its reverse (50202122545), we get a palindrome (595423324595).

The spelling of 545221202050 in words is "five hundred forty-five billion, two hundred twenty-one million, two hundred two thousand, fifty".