54215135 has 16 divisors (see below), whose sum is σ = 70217280. Its totient is φ = 39947520.

The previous prime is 54215099. The next prime is 54215137. The reversal of 54215135 is 53151245.

It is a de Polignac number, because none of the positive numbers 2^k-54215135 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54215137) 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, 52070 + ... + 53100.

It is an arithmetic number, because the mean of its divisors is an integer number (4388580).

Almost surely, 2^54215135 is an apocalyptic number.

54215135 is a deficient number, since it is larger than the sum of its proper divisors (16002145).

54215135 is a wasteful number, since it uses less digits than its factorization.

54215135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858.

The product of its digits is 3000, while the sum is 26.

The square root of 54215135 is about 7363.0927605185. The cubic root of 54215135 is about 378.4776000662.

The spelling of 54215135 in words is "fifty-four million, two hundred fifteen thousand, one hundred thirty-five".