50648371157 has 2 divisors, whose sum is σ = 50648371158. Its totient is φ = 50648371156.

The previous prime is 50648371129. The next prime is 50648371219. The reversal of 50648371157 is 75117384605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47844562756 + 2803808401 = 218734^2 + 52951^2 .

It is a cyclic number.

It is not a de Polignac number, because 50648371157 - 2¹² = 50648367061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50648371127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25324185578 + 25324185579.

It is an arithmetic number, because the mean of its divisors is an integer number (25324185579).

Almost surely, 2^50648371157 is an apocalyptic number.

It is an amenable number.

50648371157 is a deficient number, since it is larger than the sum of its proper divisors (1).

50648371157 is an equidigital number, since it uses as much as digits as its factorization.

50648371157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 50648371157 in words is "fifty billion, six hundred forty-eight million, three hundred seventy-one thousand, one hundred fifty-seven".