50005510001 has 2 divisors, whose sum is σ = 50005510002. Its totient is φ = 50005510000.

The previous prime is 50005509929. The next prime is 50005510021. The reversal of 50005510001 is 10001550005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38513670001 + 11491840000 = 196249^2 + 107200^2 .

It is a cyclic number.

It is not a de Polignac number, because 50005510001 - 2¹⁸ = 50005247857 is a prime.

It is a super-2 number, since 2×50005510001² (a number of 22 digits) contains 22 as substring.

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 (50005510021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25002755000 + 25002755001.

It is an arithmetic number, because the mean of its divisors is an integer number (25002755001).

Almost surely, 2^50005510001 is an apocalyptic number.

It is an amenable number.

50005510001 is a deficient number, since it is larger than the sum of its proper divisors (1).

50005510001 is an equidigital number, since it uses as much as digits as its factorization.

50005510001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125, while the sum is 17.

The spelling of 50005510001 in words is "fifty billion, five million, five hundred ten thousand, one".