50450000 has 60 divisors (see below), whose sum is σ = 122296860. Its totient is φ = 20160000.

The previous prime is 50449979. The next prime is 50450009. The reversal of 50450000 is 5405.

It can be written as a sum of positive squares in 6 ways, for example, as 45104656 + 5345344 = 6716^2 + 2312^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50450009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49496 + ... + 50504.

It is an arithmetic number, because the mean of its divisors is an integer number (2038281).

Almost surely, 2^50450000 is an apocalyptic number.

50450000 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 50450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61148430).

50450000 is an abundant number, since it is smaller than the sum of its proper divisors (71846860).

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

50450000 is an equidigital number, since it uses as much as digits as its factorization.

50450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1016 counting only the distinct ones).

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

The square root of 50450000 is about 7102.8163428319. The cubic root of 50450000 is about 369.5050601646.

Adding to 50450000 its reverse (5405), we get a palindrome (50455405).

The spelling of 50450000 in words is "fifty million, four hundred fifty thousand".