50513303 has 4 divisors (see below), whose sum is σ = 50579760. Its totient is φ = 50446848.

The previous prime is 50513279. The next prime is 50513317. The reversal of 50513303 is 30331505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50513303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50513503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32075 + ... + 33612.

It is an arithmetic number, because the mean of its divisors is an integer number (12644940).

Almost surely, 2^50513303 is an apocalyptic number.

50513303 is a deficient number, since it is larger than the sum of its proper divisors (66457).

50513303 is an equidigital number, since it uses as much as digits as its factorization.

50513303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66456.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 50513303 is about 7107.2711359565. The cubic root of 50513303 is about 369.6595431663.

Adding to 50513303 its reverse (30331505), we get a palindrome (80844808).

The spelling of 50513303 in words is "fifty million, five hundred thirteen thousand, three hundred three".