54109415855 has 32 divisors (see below), whose sum is σ = 75620858688. Its totient is φ = 37037383680.

The previous prime is 54109415839. The next prime is 54109415881. The reversal of 54109415855 is 55851490145.

54109415855 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 54109415855 - 2⁴ = 54109415839 is a prime.

It is a Duffinian number.

It is a congruent 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, 126002 + ... + 352271.

It is an arithmetic number, because the mean of its divisors is an integer number (2363151834).

Almost surely, 2^54109415855 is an apocalyptic number.

54109415855 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54109415855 is a deficient number, since it is larger than the sum of its proper divisors (21511442833).

54109415855 is a wasteful number, since it uses less digits than its factorization.

54109415855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478328 (or 478306 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 47.

It can be divided in two parts, 54109 and 415855, that added together give a palindrome (469964).

The spelling of 54109415855 in words is "fifty-four billion, one hundred nine million, four hundred fifteen thousand, eight hundred fifty-five".