50251053397 has 2 divisors, whose sum is σ = 50251053398. Its totient is φ = 50251053396.

The previous prime is 50251053323. The next prime is 50251053401. The reversal of 50251053397 is 79335015205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45494330436 + 4756722961 = 213294^2 + 68969^2 .

It is a cyclic number.

It is not a de Polignac number, because 50251053397 - 2¹⁵ = 50251020629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50251053997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25125526698 + 25125526699.

It is an arithmetic number, because the mean of its divisors is an integer number (25125526699).

Almost surely, 2^50251053397 is an apocalyptic number.

It is an amenable number.

50251053397 is a deficient number, since it is larger than the sum of its proper divisors (1).

50251053397 is an equidigital number, since it uses as much as digits as its factorization.

50251053397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141750, while the sum is 40.

The spelling of 50251053397 in words is "fifty billion, two hundred fifty-one million, fifty-three thousand, three hundred ninety-seven".