55550555555071 has 4 divisors (see below), whose sum is σ = 56123241694912. Its totient is φ = 54977869415232.

The previous prime is 55550555555051. The next prime is 55550555555177. The reversal of 55550555555071 is 17055555505555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55550555555071 - 2²⁹ = 55550018684159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55550555554997 and 55550555555015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550555555051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286343069775 + ... + 286343069968.

It is an arithmetic number, because the mean of its divisors is an integer number (14030810423728).

Almost surely, 2^{55550555555071} is an apocalyptic number.

55550555555071 is a deficient number, since it is larger than the sum of its proper divisors (572686139841).

55550555555071 is an equidigital number, since it uses as much as digits as its factorization.

55550555555071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572686139840.

The product of its (nonzero) digits is 68359375, while the sum is 58.

The spelling of 55550555555071 in words is "fifty-five trillion, five hundred fifty billion, five hundred fifty-five million, five hundred fifty-five thousand, seventy-one".