50723067257 has 2 divisors, whose sum is σ = 50723067258. Its totient is φ = 50723067256.

The previous prime is 50723067253. The next prime is 50723067293. The reversal of 50723067257 is 75276032705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30129669241 + 20593398016 = 173579^2 + 143504^2 .

It is a cyclic number.

It is not a de Polignac number, because 50723067257 - 2² = 50723067253 is a prime.

It is not a weakly prime, because it can be changed into another prime (50723067251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25361533628 + 25361533629.

It is an arithmetic number, because the mean of its divisors is an integer number (25361533629).

Almost surely, 2^50723067257 is an apocalyptic number.

It is an amenable number.

50723067257 is a deficient number, since it is larger than the sum of its proper divisors (1).

50723067257 is an equidigital number, since it uses as much as digits as its factorization.

50723067257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 617400, while the sum is 44.

The spelling of 50723067257 in words is "fifty billion, seven hundred twenty-three million, sixty-seven thousand, two hundred fifty-seven".