50503637 has 2 divisors, whose sum is σ = 50503638. Its totient is φ = 50503636.

The previous prime is 50503589. The next prime is 50503643. The reversal of 50503637 is 73630505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43903876 + 6599761 = 6626^2 + 2569^2 .

It is a cyclic number.

It is not a de Polignac number, because 50503637 - 2⁸ = 50503381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50503657) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25251818 + 25251819.

It is an arithmetic number, because the mean of its divisors is an integer number (25251819).

Almost surely, 2^50503637 is an apocalyptic number.

It is an amenable number.

50503637 is a deficient number, since it is larger than the sum of its proper divisors (1).

50503637 is an equidigital number, since it uses as much as digits as its factorization.

50503637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 50503637 is about 7106.5910955957. The cubic root of 50503637 is about 369.6359628626.

The spelling of 50503637 in words is "fifty million, five hundred three thousand, six hundred thirty-seven".