50305290 has 64 divisors (see below), whose sum is σ = 138551040. Its totient is φ = 11450880.

The previous prime is 50305271. The next prime is 50305291. The reversal of 50305290 is 9250305.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 50305290.

It is not an unprimeable number, because it can be changed into a prime (50305291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88126 + ... + 88694.

It is an arithmetic number, because the mean of its divisors is an integer number (2164860).

Almost surely, 2^50305290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50305290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69275520).

50305290 is an abundant number, since it is smaller than the sum of its proper divisors (88245750).

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

50305290 is a wasteful number, since it uses less digits than its factorization.

50305290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 50305290 is about 7092.6222231274. The cubic root of 50305290 is about 369.1514276302.

Adding to 50305290 its reverse (9250305), we get a palindrome (59555595).

The spelling of 50305290 in words is "fifty million, three hundred five thousand, two hundred ninety".