55164400446155 has 32 divisors (see below), whose sum is σ = 88880264782848. Its totient is φ = 31742951702400.

The previous prime is 55164400446139. The next prime is 55164400446203.

55164400446155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55164400446155 - 2⁴ = 55164400446139 is a prime.

It is a super-2 number, since 2×55164400446155² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5510924111 + ... + 5510934120.

It is an arithmetic number, because the mean of its divisors is an integer number (2777508274464).

Almost surely, 2^{55164400446155} is an apocalyptic number.

55164400446155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55164400446155 is a deficient number, since it is larger than the sum of its proper divisors (33715864336693).

55164400446155 is a wasteful number, since it uses less digits than its factorization.

55164400446155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11021858267.

The product of its (nonzero) digits is 5760000, while the sum is 50.

The spelling of 55164400446155 in words is "fifty-five trillion, one hundred sixty-four billion, four hundred million, four hundred forty-six thousand, one hundred fifty-five".