54135555 has 16 divisors (see below), whose sum is σ = 87139584. Its totient is φ = 28698080.

The previous prime is 54135553. The next prime is 54135569. The reversal of 54135555 is 55553145.

It is not a de Polignac number, because 54135555 - 2¹ = 54135553 is a prime.

It is a super-3 number, since 3×54135555³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (54135553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8301 + ... + 13310.

It is an arithmetic number, because the mean of its divisors is an integer number (5446224).

Almost surely, 2^54135555 is an apocalyptic number.

54135555 is a deficient number, since it is larger than the sum of its proper divisors (33004029).

54135555 is a wasteful number, since it uses less digits than its factorization.

54135555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21786.

The product of its digits is 37500, while the sum is 33.

The square root of 54135555 is about 7357.6867968132. The cubic root of 54135555 is about 378.2923258721.

The spelling of 54135555 in words is "fifty-four million, one hundred thirty-five thousand, five hundred fifty-five".