55535533553555 has 8 divisors (see below), whose sum is σ = 72701062106544. Its totient is φ = 40389478948000.

The previous prime is 55535533553497. The next prime is 55535533553561.

55535533553555 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 55535533553555 - 2³² = 55531238586259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504868486796 + ... + 504868486905.

It is an arithmetic number, because the mean of its divisors is an integer number (9087632763318).

Almost surely, 2^{55535533553555} is an apocalyptic number.

55535533553555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55535533553555 is a deficient number, since it is larger than the sum of its proper divisors (17165528552989).

55535533553555 is a wasteful number, since it uses less digits than its factorization.

55535533553555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009736973717.

The product of its digits is 791015625, while the sum is 62.

The spelling of 55535533553555 in words is "fifty-five trillion, five hundred thirty-five billion, five hundred thirty-three million, five hundred fifty-three thousand, five hundred fifty-five".