50354343953 has 2 divisors, whose sum is σ = 50354343954. Its totient is φ = 50354343952.

The previous prime is 50354343931. The next prime is 50354343973. The reversal of 50354343953 is 35934345305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28482300289 + 21872043664 = 168767^2 + 147892^2 .

It is a cyclic number.

It is not a de Polignac number, because 50354343953 - 2¹⁶ = 50354278417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50354343973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25177171976 + 25177171977.

It is an arithmetic number, because the mean of its divisors is an integer number (25177171977).

Almost surely, 2^50354343953 is an apocalyptic number.

It is an amenable number.

50354343953 is a deficient number, since it is larger than the sum of its proper divisors (1).

50354343953 is an equidigital number, since it uses as much as digits as its factorization.

50354343953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 44.

The spelling of 50354343953 in words is "fifty billion, three hundred fifty-four million, three hundred forty-three thousand, nine hundred fifty-three".