55005005500055 has 8 divisors (see below), whose sum is σ = 71083391723232. Its totient is φ = 40619080984608.

The previous prime is 55005005500043. The next prime is 55005005500097. The reversal of 55005005500055 is 55000550050055.

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 55005005500055 - 2²⁶ = 55004938391191 is a prime.

It is a super-2 number, since 2×55005005500055² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55005005499988 and 55005005500024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423115426859 + ... + 423115426988.

It is an arithmetic number, because the mean of its divisors is an integer number (8885423965404).

Almost surely, 2^{55005005500055} is an apocalyptic number.

55005005500055 is a deficient number, since it is larger than the sum of its proper divisors (16078386223177).

55005005500055 is a wasteful number, since it uses less digits than its factorization.

55005005500055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846230853865.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55005005500055 in words is "fifty-five trillion, five billion, five million, five hundred thousand, fifty-five".