54105891855 has 16 divisors (see below), whose sum is σ = 87120828384. Its totient is φ = 28672675200.

The previous prime is 54105891839. The next prime is 54105891893. The reversal of 54105891855 is 55819850145.

54105891855 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 54105891855 - 2⁴ = 54105891839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54105891798 and 54105891807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11485096 + ... + 11489805.

It is an arithmetic number, because the mean of its divisors is an integer number (5445051774).

Almost surely, 2^54105891855 is an apocalyptic number.

54105891855 is a deficient number, since it is larger than the sum of its proper divisors (33014936529).

54105891855 is a wasteful number, since it uses less digits than its factorization.

54105891855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22975066.

The product of its (nonzero) digits is 1440000, while the sum is 51.

The spelling of 54105891855 in words is "fifty-four billion, one hundred five million, eight hundred ninety-one thousand, eight hundred fifty-five".