55055055005557 has 8 divisors (see below), whose sum is σ = 56480565092832. Its totient is φ = 53646414860400.

The previous prime is 55055055005543. The next prime is 55055055005627. The reversal of 55055055005557 is 75550055055055.

55055055005557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55055055005557 - 2¹⁵ = 55055054972789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055055075557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4217478919 + ... + 4217491972.

It is an arithmetic number, because the mean of its divisors is an integer number (7060070636604).

Almost surely, 2^{55055055005557} is an apocalyptic number.

It is an amenable number.

55055055005557 is a deficient number, since it is larger than the sum of its proper divisors (1425510087275).

55055055005557 is a wasteful number, since it uses less digits than its factorization.

55055055005557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8434971059.

The product of its (nonzero) digits is 13671875, while the sum is 52.

The spelling of 55055055005557 in words is "fifty-five trillion, fifty-five billion, fifty-five million, five thousand, five hundred fifty-seven".