54091855 has 4 divisors (see below), whose sum is σ = 64910232. Its totient is φ = 43273480.

The previous prime is 54091823. The next prime is 54091867. The reversal of 54091855 is 55819045.

54091855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54091855 - 2⁵ = 54091823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5409181 + ... + 5409190.

It is an arithmetic number, because the mean of its divisors is an integer number (16227558).

Almost surely, 2^54091855 is an apocalyptic number.

54091855 is a deficient number, since it is larger than the sum of its proper divisors (10818377).

54091855 is a wasteful number, since it uses less digits than its factorization.

54091855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10818376.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 54091855 is about 7354.7165139113. The cubic root of 54091855 is about 378.1905084691.

It can be divided in two parts, 54091 and 855, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 54091855 in words is "fifty-four million, ninety-one thousand, eight hundred fifty-five".