55501050009901 has 2 divisors, whose sum is σ = 55501050009902. Its totient is φ = 55501050009900.

The previous prime is 55501050009833. The next prime is 55501050010001. The reversal of 55501050009901 is 10990005010555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55501024909801 + 25100100 = 7449901^2 + 5010^2 .

It is a cyclic number.

It is not a de Polignac number, because 55501050009901 - 2¹⁵ = 55501049977133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55501050009101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750525004950 + 27750525004951.

It is an arithmetic number, because the mean of its divisors is an integer number (27750525004951).

Almost surely, 2^{55501050009901} is an apocalyptic number.

It is an amenable number.

55501050009901 is a deficient number, since it is larger than the sum of its proper divisors (1).

55501050009901 is an equidigital number, since it uses as much as digits as its factorization.

55501050009901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50625, while the sum is 40.

The spelling of 55501050009901 in words is "fifty-five trillion, five hundred one billion, fifty million, nine thousand, nine hundred one".