55165944956155 has 8 divisors (see below), whose sum is σ = 72217237033584. Its totient is φ = 40120687240800.

The previous prime is 55165944956141. The next prime is 55165944956197.

55165944956155 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 55165944956155 - 2⁵ = 55165944956123 is a prime.

It is a super-3 number, since 3×55165944956155³ (a number of 42 digits) contains 333 as substring.

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, 501508590456 + ... + 501508590565.

It is an arithmetic number, because the mean of its divisors is an integer number (9027154629198).

Almost surely, 2^{55165944956155} is an apocalyptic number.

55165944956155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55165944956155 is a deficient number, since it is larger than the sum of its proper divisors (17051292077429).

55165944956155 is a wasteful number, since it uses less digits than its factorization.

55165944956155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003017181037.

The product of its digits is 729000000, while the sum is 70.

The spelling of 55165944956155 in words is "fifty-five trillion, one hundred sixty-five billion, nine hundred forty-four million, nine hundred fifty-six thousand, one hundred fifty-five".