50503001 has 2 divisors, whose sum is σ = 50503002. Its totient is φ = 50503000.

The previous prime is 50502943. The next prime is 50503003. The reversal of 50503001 is 10030505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30691600 + 19811401 = 5540^2 + 4451^2 .

It is a cyclic number.

It is not a de Polignac number, because 50503001 - 2¹⁰ = 50501977 is a prime.

It is a super-2 number, since 2×50503001² = 5101106220012002, which contains 22 as substring.

Together with 50503003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50503003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25251500 + 25251501.

It is an arithmetic number, because the mean of its divisors is an integer number (25251501).

Almost surely, 2^50503001 is an apocalyptic number.

It is an amenable number.

50503001 is a deficient number, since it is larger than the sum of its proper divisors (1).

50503001 is an equidigital number, since it uses as much as digits as its factorization.

50503001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 50503001 is about 7106.5463482623. The cubic root of 50503001 is about 369.6344112287.

Adding to 50503001 its reverse (10030505), we get a palindrome (60533506).

The spelling of 50503001 in words is "fifty million, five hundred three thousand, one".