55381106495999 has 8 divisors (see below), whose sum is σ = 55402231196928. Its totient is φ = 55359982992600.

The previous prime is 55381106495993. The next prime is 55381106496031. The reversal of 55381106495999 is 99959460118355.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55381106495999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55381106495993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98383904 + ... + 98945210.

It is an arithmetic number, because the mean of its divisors is an integer number (6925278899616).

Almost surely, 2^{55381106495999} is an apocalyptic number.

55381106495999 is a deficient number, since it is larger than the sum of its proper divisors (21124700929).

55381106495999 is a wasteful number, since it uses less digits than its factorization.

55381106495999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598765.

The product of its (nonzero) digits is 472392000, while the sum is 74.

The spelling of 55381106495999 in words is "fifty-five trillion, three hundred eighty-one billion, one hundred six million, four hundred ninety-five thousand, nine hundred ninety-nine".