50005505005553 has 2 divisors, whose sum is σ = 50005505005554. Its totient is φ = 50005505005552.

The previous prime is 50005505005543. The next prime is 50005505005559. The reversal of 50005505005553 is 35550050550005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40207177673569 + 9798327331984 = 6340913^2 + 3130228^2 .

It is a cyclic number.

It is not a de Polignac number, because 50005505005553 - 2¹⁰ = 50005505004529 is a prime.

It is a super-2 number, since 2×50005505005553² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50005505005559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25002752502776 + 25002752502777.

It is an arithmetic number, because the mean of its divisors is an integer number (25002752502777).

Almost surely, 2^{50005505005553} is an apocalyptic number.

It is an amenable number.

50005505005553 is a deficient number, since it is larger than the sum of its proper divisors (1).

50005505005553 is an equidigital number, since it uses as much as digits as its factorization.

50005505005553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 234375, while the sum is 38.

Adding to 50005505005553 its reverse (35550050550005), we get a palindrome (85555555555558).

The spelling of 50005505005553 in words is "fifty trillion, five billion, five hundred five million, five thousand, five hundred fifty-three".