50555555555069 has 2 divisors, whose sum is σ = 50555555555070. Its totient is φ = 50555555555068.

The previous prime is 50555555555027. The next prime is 50555555555083. The reversal of 50555555555069 is 96055555555505.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50283160287844 + 272395267225 = 7091062^2 + 521915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50555555555069 is a prime.

It is a super-2 number, since 2×50555555555069² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50555555554996 and 50555555555014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50555555555269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277777777534 + 25277777777535.

It is an arithmetic number, because the mean of its divisors is an integer number (25277777777535).

Almost surely, 2^{50555555555069} is an apocalyptic number.

It is an amenable number.

50555555555069 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555555555069 is an equidigital number, since it uses as much as digits as its factorization.

50555555555069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 527343750, while the sum is 65.

The spelling of 50555555555069 in words is "fifty trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, sixty-nine".