50503151 has 4 divisors (see below), whose sum is σ = 50542704. Its totient is φ = 50463600.

The previous prime is 50503133. The next prime is 50503153. The reversal of 50503151 is 15130505.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 50503151 - 2¹⁸ = 50241007 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 (50503153) 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, 17795 + ... + 20436.

It is an arithmetic number, because the mean of its divisors is an integer number (12635676).

Almost surely, 2^50503151 is an apocalyptic number.

50503151 is a deficient number, since it is larger than the sum of its proper divisors (39553).

50503151 is a wasteful number, since it uses less digits than its factorization.

50503151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39552.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 50503151 is about 7106.5569019040. The cubic root of 50503151 is about 369.6347771813.

Adding to 50503151 its reverse (15130505), we get a palindrome (65633656).

The spelling of 50503151 in words is "fifty million, five hundred three thousand, one hundred fifty-one".