54851855 has 4 divisors (see below), whose sum is σ = 65822232. Its totient is φ = 43881480.

The previous prime is 54851837. The next prime is 54851893. The reversal of 54851855 is 55815845.

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

It is not a de Polignac number, because 54851855 - 2¹⁴ = 54835471 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 3 ways as a sum of consecutive naturals, for example, 5485181 + ... + 5485190.

It is an arithmetic number, because the mean of its divisors is an integer number (16455558).

Almost surely, 2^54851855 is an apocalyptic number.

54851855 is a deficient number, since it is larger than the sum of its proper divisors (10970377).

54851855 is a wasteful number, since it uses less digits than its factorization.

54851855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10970376.

The product of its digits is 160000, while the sum is 41.

The square root of 54851855 is about 7406.2038184214. The cubic root of 54851855 is about 379.9534915379.

The spelling of 54851855 in words is "fifty-four million, eight hundred fifty-one thousand, eight hundred fifty-five".