54855105 has 16 divisors (see below), whose sum is σ = 87865344. Its totient is φ = 29223680.

The previous prime is 54855103. The next prime is 54855121. The reversal of 54855105 is 50155845.

It is not a de Polignac number, because 54855105 - 2¹ = 54855103 is a prime.

It is a super-2 number, since 2×54855105² = 6018165089122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54855103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19072 + ... + 21758.

It is an arithmetic number, because the mean of its divisors is an integer number (5491584).

Almost surely, 2^54855105 is an apocalyptic number.

It is an amenable number.

54855105 is a deficient number, since it is larger than the sum of its proper divisors (33010239).

54855105 is a wasteful number, since it uses less digits than its factorization.

54855105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056.

The product of its (nonzero) digits is 20000, while the sum is 33.

The square root of 54855105 is about 7406.4232258223. The cubic root of 54855105 is about 379.9609955349.

The spelling of 54855105 in words is "fifty-four million, eight hundred fifty-five thousand, one hundred five".