50165505501157 has 2 divisors, whose sum is σ = 50165505501158. Its totient is φ = 50165505501156.

The previous prime is 50165505501143. The next prime is 50165505501191. The reversal of 50165505501157 is 75110550556105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44980817487076 + 5184688014081 = 6706774^2 + 2276991^2 .

It is a cyclic number.

It is not a de Polignac number, because 50165505501157 - 2¹⁵ = 50165505468389 is a prime.

It is a super-2 number, since 2×50165505501157² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50165505501197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25082752750578 + 25082752750579.

It is an arithmetic number, because the mean of its divisors is an integer number (25082752750579).

Almost surely, 2^{50165505501157} is an apocalyptic number.

It is an amenable number.

50165505501157 is a deficient number, since it is larger than the sum of its proper divisors (1).

50165505501157 is an equidigital number, since it uses as much as digits as its factorization.

50165505501157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 656250, while the sum is 46.

The spelling of 50165505501157 in words is "fifty trillion, one hundred sixty-five billion, five hundred five million, five hundred one thousand, one hundred fifty-seven".