50319397 has 2 divisors, whose sum is σ = 50319398. Its totient is φ = 50319396.

The previous prime is 50319349. The next prime is 50319407. The reversal of 50319397 is 79391305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49999041 + 320356 = 7071^2 + 566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50319397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50319097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25159698 + 25159699.

It is an arithmetic number, because the mean of its divisors is an integer number (25159699).

Almost surely, 2^50319397 is an apocalyptic number.

It is an amenable number.

50319397 is a deficient number, since it is larger than the sum of its proper divisors (1).

50319397 is an equidigital number, since it uses as much as digits as its factorization.

50319397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 50319397 is about 7093.6166375129. The cubic root of 50319397 is about 369.1859311750.

It can be divided in two parts, 503 and 19397, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 50319397 in words is "fifty million, three hundred nineteen thousand, three hundred ninety-seven".