55616172165519 has 16 divisors (see below), whose sum is σ = 84748801498368. Its totient is φ = 31780539055872.

The previous prime is 55616172165511. The next prime is 55616172165523. The reversal of 55616172165519 is 91556127161655.

55616172165519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55616172165519 - 2³ = 55616172165511 is a prime.

It is a super-2 number, since 2×55616172165519² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55616172165511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100197 + ... + 10547150.

It is an arithmetic number, because the mean of its divisors is an integer number (5296800093648).

Almost surely, 2^{55616172165519} is an apocalyptic number.

55616172165519 is a deficient number, since it is larger than the sum of its proper divisors (29132629332849).

55616172165519 is a wasteful number, since it uses less digits than its factorization.

55616172165519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10896094.

The product of its digits is 17010000, while the sum is 60.

The spelling of 55616172165519 in words is "fifty-five trillion, six hundred sixteen billion, one hundred seventy-two million, one hundred sixty-five thousand, five hundred nineteen".