55505055505555 has 8 divisors (see below), whose sum is σ = 66871429423344. Its totient is φ = 44227135860000.

The previous prime is 55505055505513. The next prime is 55505055505639. The reversal of 55505055505555 is 55550555050555.

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

It is not a de Polignac number, because 55505055505555 - 2³¹ = 55502908021907 is a prime.

It is a super-2 number, since 2×55505055505555² (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 = 55505055505496 and 55505055505505.

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, 22113566676 + ... + 22113569185.

It is an arithmetic number, because the mean of its divisors is an integer number (8358928677918).

Almost surely, 2^{55505055505555} is an apocalyptic number.

55505055505555 is a deficient number, since it is larger than the sum of its proper divisors (11366373917789).

55505055505555 is a wasteful number, since it uses less digits than its factorization.

55505055505555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44227136117.

The product of its (nonzero) digits is 48828125, while the sum is 55.

The spelling of 55505055505555 in words is "fifty-five trillion, five hundred five billion, fifty-five million, five hundred five thousand, five hundred fifty-five".