54216135 has 40 divisors (see below), whose sum is σ = 97748640. Its totient is φ = 28748736.

The previous prime is 54216119. The next prime is 54216187. The reversal of 54216135 is 53161245.

54216135 is a `hidden beast` number, since 5 + 42 + 1 + 613 + 5 = 666.

It is not a de Polignac number, because 54216135 - 2⁴ = 54216119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 54216099 and 54216108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 106261 + ... + 106769.

It is an arithmetic number, because the mean of its divisors is an integer number (2443716).

Almost surely, 2^54216135 is an apocalyptic number.

54216135 is a deficient number, since it is larger than the sum of its proper divisors (43532505).

54216135 is a wasteful number, since it uses less digits than its factorization.

54216135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 780 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 54216135 is about 7363.1606664530. The cubic root of 54216135 is about 378.4799270626.

The spelling of 54216135 in words is "fifty-four million, two hundred sixteen thousand, one hundred thirty-five".