50220000 has 300 divisors, whose sum is σ = 190514016. Its totient is φ = 12960000.

The previous prime is 50219999. The next prime is 50220007. The reversal of 50220000 is 2205.

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50220007) by changing a digit.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 1619985 + ... + 1620015.

Almost surely, 2^50220000 is an apocalyptic number.

50220000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95257008).

50220000 is an abundant number, since it is smaller than the sum of its proper divisors (140294016).

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

50220000 is an equidigital number, since it uses as much as digits as its factorization.

50220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 9.

The square root of 50220000 is about 7086.6070866106. The cubic root of 50220000 is about 368.9426839392.

Adding to 50220000 its reverse (2205), we get a palindrome (50222205).

It can be divided in two parts, 502 and 20000, that added together give a palindrome (20502).

The spelling of 50220000 in words is "fifty million, two hundred twenty thousand".