54135387 has 12 divisors (see below), whose sum is σ = 78343200. Its totient is φ = 36022128.

The previous prime is 54135379. The next prime is 54135421. The reversal of 54135387 is 78353145.

54135387 is a `hidden beast` number, since 541 + 35 + 3 + 87 = 666.

54135387 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 54135387 - 2³ = 54135379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54135337) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 387 + ... + 10412.

It is an arithmetic number, because the mean of its divisors is an integer number (6528600).

Almost surely, 2^54135387 is an apocalyptic number.

54135387 is a deficient number, since it is larger than the sum of its proper divisors (24207813).

54135387 is a wasteful number, since it uses less digits than its factorization.

54135387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11362 (or 11359 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 54135387 is about 7357.6753801727. The cubic root of 54135387 is about 378.2919345508.

The spelling of 54135387 in words is "fifty-four million, one hundred thirty-five thousand, three hundred eighty-seven".