55000050555553 has 2 divisors, whose sum is σ = 55000050555554. Its totient is φ = 55000050555552.

The previous prime is 55000050555503. The next prime is 55000050555587. The reversal of 55000050555553 is 35555505000055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54698109097489 + 301941458064 = 7395817^2 + 549492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55000050555553 is a prime.

It is a super-2 number, since 2×55000050555553² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55000050555503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500025277776 + 27500025277777.

It is an arithmetic number, because the mean of its divisors is an integer number (27500025277777).

Almost surely, 2^{55000050555553} is an apocalyptic number.

It is an amenable number.

55000050555553 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000050555553 is an equidigital number, since it uses as much as digits as its factorization.

55000050555553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1171875, while the sum is 43.

The spelling of 55000050555553 in words is "fifty-five trillion, fifty million, five hundred fifty-five thousand, five hundred fifty-three".