55505550555005 has 8 divisors (see below), whose sum is σ = 66613449702624. Its totient is φ = 44399914419600.

The previous prime is 55505550554947. The next prime is 55505550555029. The reversal of 55505550555005 is 50055505550555.

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

It is not a de Polignac number, because 55505550555005 - 2²² = 55505546360701 is a prime.

It is a super-2 number, since 2×55505550555005² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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, 565699091 + ... + 565797200.

It is an arithmetic number, because the mean of its divisors is an integer number (8326681212828).

Almost surely, 2^{55505550555005} is an apocalyptic number.

It is an amenable number.

55505550555005 is a deficient number, since it is larger than the sum of its proper divisors (11107899147619).

55505550555005 is a wasteful number, since it uses less digits than its factorization.

55505550555005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131506107.

The product of its (nonzero) digits is 9765625, while the sum is 50.

The spelling of 55505550555005 in words is "fifty-five trillion, five hundred five billion, five hundred fifty million, five hundred fifty-five thousand, five".