55000000050559 has 2 divisors, whose sum is σ = 55000000050560. Its totient is φ = 55000000050558.

The previous prime is 55000000050511. The next prime is 55000000050599. The reversal of 55000000050559 is 95505000000055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55000000050559 - 2¹³ = 55000000042367 is a prime.

It is a super-2 number, since 2×55000000050559² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55000000050509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500000025279 + 27500000025280.

It is an arithmetic number, because the mean of its divisors is an integer number (27500000025280).

Almost surely, 2^{55000000050559} is an apocalyptic number.

55000000050559 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000000050559 is an equidigital number, since it uses as much as digits as its factorization.

55000000050559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28125, while the sum is 34.

The spelling of 55000000050559 in words is "fifty-five trillion, fifty thousand, five hundred fifty-nine".