50055500005801 has 2 divisors, whose sum is σ = 50055500005802. Its totient is φ = 50055500005800.

The previous prime is 50055500005741. The next prime is 50055500005811. The reversal of 50055500005801 is 10850000555005.

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., 40397452098201 + 9658047907600 = 6355899^2 + 3107740^2 .

It is a cyclic number.

It is not a de Polignac number, because 50055500005801 - 2⁷ = 50055500005673 is a prime.

It is a super-5 number, since 5×50055500005801⁵ (a number of 70 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (50055500005811) 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, 25027750002900 + 25027750002901.

It is an arithmetic number, because the mean of its divisors is an integer number (25027750002901).

Almost surely, 2^{50055500005801} is an apocalyptic number.

It is an amenable number.

50055500005801 is a deficient number, since it is larger than the sum of its proper divisors (1).

50055500005801 is an equidigital number, since it uses as much as digits as its factorization.

50055500005801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25000, while the sum is 34.

The spelling of 50055500005801 in words is "fifty trillion, fifty-five billion, five hundred million, five thousand, eight hundred one".