55505610055555 has 8 divisors (see below), whose sum is σ = 72661889527344. Its totient is φ = 40367716404000.

The previous prime is 55505610055541. The next prime is 55505610055601. The reversal of 55505610055555 is 55555001650555.

It is a happy number.

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

It is not a de Polignac number, because 55505610055555 - 2³³ = 55497020120963 is a prime.

It is a Duffinian 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, 504596454996 + ... + 504596455105.

It is an arithmetic number, because the mean of its divisors is an integer number (9082736190918).

Almost surely, 2^{55505610055555} is an apocalyptic number.

55505610055555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55505610055555 is a deficient number, since it is larger than the sum of its proper divisors (17156279471789).

55505610055555 is a wasteful number, since it uses less digits than its factorization.

55505610055555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009192910117.

The product of its (nonzero) digits is 11718750, while the sum is 52.

The spelling of 55505610055555 in words is "fifty-five trillion, five hundred five billion, six hundred ten million, fifty-five thousand, five hundred fifty-five".