50225000 has 144 divisors (see below), whose sum is σ = 140264460. Its totient is φ = 16800000.

The previous prime is 50224981. The next prime is 50225003. The reversal of 50225000 is 52205.

It can be written as a sum of positive squares in 6 ways, for example, as 17757796 + 32467204 = 4214^2 + 5698^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50225003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1224980 + ... + 1225020.

Almost surely, 2^50225000 is an apocalyptic number.

50225000 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 50225000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70132230).

50225000 is an abundant number, since it is smaller than the sum of its proper divisors (90039460).

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

50225000 is an equidigital number, since it uses as much as digits as its factorization.

50225000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 50225000 is about 7086.9598559608. The cubic root of 50225000 is about 368.9549277478.

Adding to 50225000 its reverse (52205), we get a palindrome (50277205).

The spelling of 50225000 in words is "fifty million, two hundred twenty-five thousand".